Southwest and North Central Montana Zone Forecast
651
FPUS55 KTFX 120937
ZFPTFX
Zone Forecast Product for Central and Southwest Montana
National Weather Service Great Falls MT
336 AM MDT Tue May 12 2026
Spot temperatures and probabilities of measurable precipitation
are for today, tonight, and Wednesday.
MTZ301-122200-
East Glacier Park Region-
Including the cities of East Glacier Park, Kiowa, Babb,
Saint Mary, Marias Pass, and Logan Pass
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Warmer, sunny. Highs 58 to 72. South winds up to 15 mph.
.TONIGHT...Partly cloudy. Lows 43 to 49. South winds 5 to 10 mph.
.WEDNESDAY...Windy. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs 59 to 73.
South winds 5 to 15 mph with gusts to around 40 mph increasing to
southwest 20 to 30 mph with gusts to around 55 mph in the
afternoon. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Very windy. Colder. Rain showers, snow showers
and slight chance of thunderstorms in the evening, then rain
showers and snow showers after midnight. Moderate snow
accumulations. Lows 28 to 36. Southwest winds 25 to 45 mph with
gusts to around 80 mph. Chance of precipitation near 100 percent.
.THURSDAY...Very windy. Cooler. Partly sunny. Chance of rain
showers and snow showers in the morning, then slight chance of
rain showers and snow showers in the afternoon. Highs 39 to 51.
West winds 25 to 45 mph with gusts to around 75 mph. Chance of
precipitation 50 percent.
.THURSDAY NIGHT...Windy. Partly cloudy. Lows 32 to 38.
.FRIDAY...Windy. Mostly sunny. Slight chance of rain showers and
snow showers in the morning, then chance of snow showers and
slight chance of rain showers in the afternoon. Highs 42 to 54.
Chance of precipitation 40 percent.
.FRIDAY NIGHT...Breezy. Mostly cloudy. Chance of snow showers,
slight chance of rain and thunderstorms in the evening, then
chance of snow after midnight. Lows 29 to 35. Chance of
precipitation 50 percent.
.SATURDAY AND SATURDAY NIGHT...Windy. Mostly cloudy. A 50 percent
chance of snow. Highs 36 to 46. Lows 25 to 31.
.SUNDAY...Partly sunny. Chance of snow in the morning, then
chance of snow and rain in the afternoon. Highs 39 to 49. Chance
of precipitation 50 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 27 to 33. Highs
45 to 55.
--------------------------------
MTZ307-122200-
Southern Rocky Mountain Front-
Including the city of Rogers Pass
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Warmer, sunny. Highs 59 to 73. Southeast winds up to
10 mph with gusts to around 25 mph.
.TONIGHT...Partly cloudy. Lows 44 to 50. South winds up to 10 mph
with gusts to around 25 mph.
.WEDNESDAY...Breezy. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs 61 to 75.
Southwest winds 5 to 10 mph with gusts to around 30 mph
increasing to 10 to 25 mph with gusts to around 55 mph in the
afternoon. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Very windy. Colder. Rain showers likely with
possible snow showers and thunderstorms in the evening, then snow
showers and rain showers likely after midnight. Light snow
accumulations. Lows 28 to 36. West winds 25 to 35 mph with gusts
to around 75 mph increasing to 30 to 45 mph with gusts to around
85 mph after midnight. Chance of precipitation 90 percent.
.THURSDAY...Very windy. Cooler. Partly sunny with a 50 percent
chance of snow showers and rain showers in the morning, then
sunny in the afternoon. Highs 39 to 51. West winds 25 to 45 mph
with gusts to around 80 mph.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows 30 to 36.
Highs 44 to 56.
.FRIDAY NIGHT AND SATURDAY...Windy. Partly cloudy. A 20 percent
chance of snow. Lows 29 to 35. Highs 37 to 47.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. A 20 percent chance of snow. Lows 24 to 30.
.SUNDAY...Partly sunny. Slight chance of snow in the morning,
then chance of snow and rain in the afternoon. Highs 39 to 49.
Chance of precipitation 50 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 25 to 31. Highs
46 to 56.
--------------------------------
MTZ302-122200-
Northern High Plains-
Including the cities of Browning, Heart Butte, and Dupuyer
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Sunny. Highs in the mid 70s. South winds 5 to 10 mph
shifting to the southeast 10 to 20 mph in the afternoon.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the upper 40s. South winds up to 15 mph with
gusts to around 30 mph.
.WEDNESDAY...Windy. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs in the
upper 70s. South winds 5 to 10 mph with gusts to around 40 mph
increasing to southwest 20 to 30 mph with gusts to around 50 mph
in the afternoon. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Strong winds. Mostly cloudy. Rain showers
likely and slight chance of thunderstorms in the evening, then
chance of rain showers after midnight. Lows around 40. West winds
30 to 45 mph with gusts to around 65 mph increasing to 35 to
55 mph with gusts to around 75 mph after midnight. Chance of
precipitation 70 percent.
.THURSDAY...Strong winds. Much cooler. Partly sunny with a
40 percent chance of rain showers in the morning, then sunny in
the afternoon. Highs in the mid 50s. West winds 30 to 50 mph with
gusts to around 70 mph.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows in the
upper 30s. Highs in the upper 50s.
.FRIDAY NIGHT...Breezy. Partly cloudy in the evening then
becoming mostly cloudy. Lows in the mid 30s.
.SATURDAY...Windy. Mostly sunny. A 20 percent chance of rain and
snow in the afternoon. Highs in the lower 50s.
.SATURDAY NIGHT...Breezy. Mostly cloudy. Chance of snow and
slight chance of rain in the evening, then slight chance of rain
and snow after midnight. Lows in the lower 30s. Chance of
precipitation 40 percent.
.SUNDAY...Partly sunny with a 50 percent chance of snow and rain.
Highs in the lower 50s.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 30s.
Highs around 60.
--------------------------------
MTZ308-122200-
Southern High Plains-
Including the cities of Bynum, Choteau, and Pendroy
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Sunny. Highs in the upper 70s. Southeast winds up to
10 mph with gusts to around 25 mph.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the lower 50s. Southeast winds up to 10 mph with
gusts to around 25 mph shifting to the southwest after midnight.
.WEDNESDAY...Breezy. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. South winds up to 10 mph with gusts to around 25 mph
increasing to southwest 15 to 25 mph with gusts to around 45 mph
in the afternoon. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Very windy. Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms in the evening, then
chance of rain showers after midnight. Lows in the lower 40s.
West winds 30 to 45 mph. Gusts up to 65 mph increasing to 80 mph
after midnight. Chance of precipitation 50 percent.
.THURSDAY...Very windy. Much cooler. Mostly sunny. Highs in the
upper 50s. West winds 30 to 45 mph. Gusts up to 75 mph decreasing
to 65 mph in the afternoon.
.THURSDAY NIGHT AND FRIDAY...Breezy. Mostly clear. Lows around
40. Highs in the mid 60s.
.FRIDAY NIGHT AND SATURDAY...Windy, cooler. Partly cloudy. Lows
in the upper 30s. Highs in the mid 50s.
.SATURDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a 20 percent chance of rain and snow after midnight.
Lows in the mid 30s.
.SUNDAY...Partly sunny. Slight chance of rain and snow in the
morning, then chance of rain in the afternoon. Highs in the mid
50s. Chance of precipitation 50 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the mid 30s.
Highs in the lower 60s.
--------------------------------
MTZ303-122200-
Eastern Glacier, Western Toole, and Central Pondera-
Including the cities of Cut Bank, Ethridge, and Santa Rita
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Sunny. Highs in the mid 70s. South winds 5 to 10 mph
increasing to 15 to 20 mph in the afternoon.
.TONIGHT...Mostly cloudy. Lows in the upper 40s. Southeast winds
5 to 15 mph with gusts to around 30 mph.
.WEDNESDAY...Windy. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs in the
lower 80s. Southeast winds 10 to 15 mph with gusts to around
35 mph increasing to south 15 to 30 mph with gusts to around
45 mph in the afternoon. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Very windy. Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms in the evening, then
chance of rain showers after midnight. Lows in the lower 40s.
West winds 30 to 45 mph with gusts to around 60 mph. Chance of
precipitation 50 percent.
.THURSDAY...Strong winds. Cooler. Partly sunny with chance of
rain showers in the morning, then sunny with slight chance of
rain showers in the afternoon. Highs in the lower 60s. West winds
30 to 50 mph. Chance of showers 50 percent.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows around 40.
Highs in the mid 60s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 30s.
.SATURDAY...Windy. Mostly sunny. A 20 percent chance of rain in
the afternoon. Highs in the mid 50s.
.SATURDAY NIGHT AND SUNDAY...Breezy. Mostly cloudy. A 40 percent
chance of rain and snow. Lows in the lower 30s. Highs in the mid
50s.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 30s.
Highs in the lower 60s.
&&
TEMPERATURE / PRECIPITATION
Cut Bank 76 46 82 / 0 0 40
--------------------------------
MTZ304-122200-
Eastern Toole and Liberty-
Including the cities of Devon, Shelby, Chester, Galata, Joplin,
Lothair, and Whitlash
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY AFTERNOON...
.TODAY...Sunny. Highs 72 to 78. Southeast winds up to 5 mph
increasing to 10 to 15 mph in the afternoon.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the upper 40s. Southeast winds 5 to 15 mph. Gusts
up to 35 mph after midnight.
.WEDNESDAY...Breezy, warmer. Mostly sunny. A 20 percent chance of
thunderstorms in the afternoon. Highs 81 to 87. Southeast winds
10 to 15 mph with gusts to around 45 mph shifting to the south
10 to 25 mph in the afternoon.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Rain showers likely and
slight chance of thunderstorms in the evening, then slight chance
of rain showers after midnight. Lows in the mid 40s. West winds
20 to 35 mph. Gusts up to 50 mph increasing to 60 mph after
midnight. Chance of precipitation 70 percent.
.THURSDAY...Very windy. Cooler. Partly sunny. Chance of rain
showers in the morning, then slight chance of rain showers in the
afternoon. Highs in the mid 60s. West winds 25 to 35 mph with
gusts to around 60 mph increasing to 30 to 45 mph in the
afternoon. Chance of showers 50 percent.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows in the
lower 40s. Highs 63 to 69.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows around 40.
.SATURDAY...Windy. Partly sunny. A 20 percent chance of rain in
the afternoon. Highs in the upper 50s.
.SATURDAY NIGHT...Breezy. Mostly cloudy with a 40 percent chance
of rain. Lows in the lower 30s.
.SUNDAY...Mostly sunny. Chance of snow and slight chance of rain
in the morning, then slight chance of rain in the afternoon.
Highs in the mid 50s. Chance of precipitation 40 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 30s.
Highs in the mid 60s.
--------------------------------
MTZ305-122200-
Hill County-
Including the city of Havre
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Sunny. Highs in the mid 70s. West winds up to 5 mph
shifting to the southeast in the afternoon.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the upper 40s. East winds 5 to 15 mph.
.WEDNESDAY...Breezy, warmer. Partly sunny. Highs in the upper
80s. East winds 5 to 15 mph shifting to the south 10 to 25 mph in
the afternoon.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Rain showers likely and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the mid 40s. Southwest winds
20 to 35 mph. Chance of precipitation 70 percent.
.THURSDAY...Very windy. Much cooler. Partly sunny with a
50 percent chance of rain showers. Highs in the upper 60s. West
winds 25 to 40 mph.
.THURSDAY NIGHT...Windy. Partly cloudy. Lows in the lower 40s.
.FRIDAY...Breezy, sunny. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the lower 40s.
.SATURDAY THROUGH SUNDAY...Windy. Mostly cloudy with a 20 percent
chance of rain. Highs in the upper 50s. Lows in the mid 30s.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 30s.
Highs in the mid 60s.
&&
TEMPERATURE / PRECIPITATION
Havre 78 47 92 / 0 0 10
--------------------------------
MTZ306-122200-
Northern Blaine County-
Including the cities of Chinook, Zurich, Harlem, Hogeland,
and Fort Belknap
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Sunny. Highs in the mid 70s. West winds up to 10 mph.
.TONIGHT...Partly cloudy. Lows in the upper 40s. Southeast winds
5 to 15 mph. Gusts up to 30 mph after midnight.
.WEDNESDAY...Windy, warmer. Mostly sunny. Highs in the upper 80s.
Southeast winds 15 to 30 mph increasing to 25 to 35 mph in the
afternoon. Gusts up to 50 mph.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Rain showers likely and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the mid 40s. Southwest winds
20 to 35 mph. Chance of precipitation 70 percent.
.THURSDAY...Very windy. Much cooler. Partly sunny. Rain showers
likely in the morning, then chance of rain showers in the
afternoon. Highs in the upper 60s. West winds 30 to 45 mph with
gusts to around 60 mph. Chance of showers 70 percent.
.THURSDAY NIGHT...Windy. Partly cloudy. Lows in the mid 40s.
.FRIDAY...Windy, sunny. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows around 40.
.SATURDAY AND SATURDAY NIGHT...Windy. Mostly cloudy. A 20 percent
chance of rain. Highs in the lower 60s. Lows in the mid 30s.
.SUNDAY...Windy. Partly sunny with a 20 percent chance of rain.
Highs in the upper 50s.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 30s.
Highs in the mid 60s.
--------------------------------
MTZ309-122200-
Eastern Pondera and Eastern Teton-
Including the cities of Brady, Conrad, and Ledger
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs in the upper 70s. Southeast winds up to
10 mph.
.TONIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the mid 40s. Southeast winds up to 10 mph.
.WEDNESDAY...Breezy. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs in the mid
80s. Southeast winds up to 10 mph increasing to southwest 15 to
25 mph in the afternoon. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Chance of rain showers
and slight chance of thunderstorms in the evening, then slight
chance of rain showers after midnight. Lows in the mid 40s. West
winds 20 to 35 mph. Chance of precipitation 50 percent.
.THURSDAY...Very windy. Much cooler. Partly sunny with a
20 percent chance of rain showers in the morning, then sunny in
the afternoon. Highs in the lower 60s. West winds 25 to 40 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 30s.
Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 30s.
.SATURDAY...Windy, cooler. Partly sunny. Highs in the upper 50s.
.SATURDAY NIGHT...Partly cloudy in the evening then becoming
mostly cloudy. A 20 percent chance of rain. Lows in the lower
30s.
.SUNDAY...Partly sunny. Slight chance of rain and snow in the
morning, then chance of rain in the afternoon. Highs in the upper
50s. Chance of precipitation 30 percent.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the lower 30s.
.MONDAY...Mostly sunny. Highs in the mid 60s.
--------------------------------
MTZ310-122200-
Western and Central Chouteau County-
Including the cities of Floweree, Carter, and Fort Benton
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Sunny. Highs in the upper 70s. East winds up to 5 mph
shifting to the southeast 5 to 15 mph in the afternoon.
.TONIGHT...Partly cloudy. Lows in the upper 40s. East winds 5 to
15 mph. Gusts up to 35 mph after midnight.
.WEDNESDAY...Warmer. Partly sunny. A 20 percent chance of
thunderstorms in the afternoon. Highs in the upper 80s. Southeast
winds 5 to 15 mph with gusts to around 40 mph shifting to the
south 15 to 20 mph in the afternoon.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Rain showers likely and
slight chance of thunderstorms in the evening, then slight chance
of rain showers after midnight. Lows in the upper 40s. West winds
20 to 35 mph. Gusts up to 45 mph increasing to 60 mph after
midnight. Chance of precipitation 70 percent.
.THURSDAY...Very windy. Much cooler. Mostly sunny. Chance of rain
showers in the morning, then slight chance of rain showers in the
afternoon. Highs in the mid 60s. West winds 25 to 40 mph. Gusts
up to 65 mph decreasing to 55 mph in the afternoon. Chance of
showers 50 percent.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows in the mid
40s. Highs around 70.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the lower 40s.
.SATURDAY AND SATURDAY NIGHT...Windy. Mostly cloudy. A 20 percent
chance of rain. Highs in the lower 60s. Lows in the mid 30s.
.SUNDAY...Partly sunny with a 50 percent chance of rain. Highs in
the upper 50s.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the mid 30s.
Highs in the mid 60s.
--------------------------------
MTZ311-122200-
Bears Paw Mountains and Southern Blaine-
Including the city of Rocky Boy
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Sunny. Highs 71 to 77. West winds up to 5 mph shifting
to the southeast in the afternoon.
.TONIGHT...Partly cloudy. Lows around 50. Southeast winds 5 to
15 mph with gusts to around 35 mph.
.WEDNESDAY...Breezy, warmer. Partly sunny. Highs 84 to 90.
Southeast winds 10 to 25 mph with gusts to around 40 mph.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Rain showers likely and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows 44 to 50. Southwest winds 15 to
30 mph shifting to the west 25 to 35 mph with gusts to around
55 mph after midnight. Chance of precipitation 70 percent.
.THURSDAY...Very windy. Cooler. Partly sunny with a 50 percent
chance of rain showers. Highs 62 to 68. West winds 30 to 45 mph.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows in the mid
40s. Highs 65 to 71.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the lower 40s.
.SATURDAY AND SATURDAY NIGHT...Windy. Mostly cloudy. A 20 percent
chance of rain. Highs 57 to 63. Lows in the upper 30s.
.SUNDAY...Breezy. Partly sunny. Chance of rain in the morning,
then slight chance of rain in the afternoon. Highs 52 to 58.
Chance of rain 30 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the mid 30s.
Highs 61 to 67.
--------------------------------
MTZ312-122200-
Cascade County below 5000ft-
Including the city of Great Falls
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY AFTERNOON...
.TODAY...Sunny. Highs in the upper 70s. East winds up to 10 mph.
.TONIGHT...Partly cloudy. Lows 48 to 54. East winds 5 to 10 mph
shifting to the south with gusts to around 30 mph after midnight.
.WEDNESDAY...Breezy. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs in the
upper 80s. South winds up to 10 mph with gusts to around 30 mph
increasing to southwest 15 to 25 mph with gusts to around 40 mph
in the afternoon. Chance of precipitation 40 percent.
.WEDNESDAY NIGHT...Very windy. Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms in the evening, then
chance of rain showers after midnight. Lows in the upper 40s.
West winds 25 to 40 mph with gusts to around 55 mph. Chance of
precipitation 50 percent.
.THURSDAY...Very windy. Much cooler. Mostly sunny with a
20 percent chance of rain showers. Highs in the mid 60s. West
winds 30 to 45 mph.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows in the mid
40s. Highs in the upper 60s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the lower 40s.
.SATURDAY...Windy, cooler. Partly sunny with a 20 percent chance
of rain. Highs in the upper 50s.
.SATURDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening, then chance of snow and slight chance of rain after
midnight. Lows in the mid 30s. Chance of precipitation
30 percent.
.SUNDAY...Partly sunny. Chance of rain and snow in the morning,
then chance of rain in the afternoon. Highs in the mid 50s.
Chance of precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in
the evening, then partly cloudy after midnight. Lows in the mid
30s.
.MONDAY...Mostly sunny. Highs in the mid 60s.
&&
TEMPERATURE / PRECIPITATION
Great Falls Arpt 79 50 88 / 0 0 30
--------------------------------
MTZ313-122200-
Judith Basin County and Judith Gap-
Including the cities of Raynesford, Geyser, Stanford, Windham,
Benchland, Hobson, and Moccasin
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY AFTERNOON...
.TODAY...Sunny. Highs in the mid 70s. Southeast winds up to
10 mph increasing to 10 to 15 mph with gusts to around 30 mph in
the afternoon.
.TONIGHT...Partly cloudy. Lows around 50. Southeast winds 5 to
15 mph with gusts to around 35 mph.
.WEDNESDAY...Windy, warmer. Partly sunny. A 20 percent chance of
thunderstorms in the afternoon. Highs in the mid 80s. South winds
10 to 30 mph with gusts to around 45 mph.
.WEDNESDAY NIGHT...Very windy. Mostly cloudy. Rain showers likely
and slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the mid 40s. Southwest winds
20 to 30 mph with gusts to around 45 mph increasing to west 25 to
45 mph with gusts to around 60 mph after midnight. Chance of
precipitation 60 percent.
.THURSDAY...Strong winds. Much cooler. Mostly sunny. Chance of
rain showers in the morning, then slight chance of rain showers
in the afternoon. Highs in the lower 60s. West winds 30 to
55 mph. Chance of showers 30 percent.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows in the
lower 40s. Highs in the mid 60s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the lower 40s.
.SATURDAY...Windy. Partly sunny. Slight chance of rain in the
morning, then chance of rain in the afternoon. Highs in the upper
50s. Chance of rain 30 percent.
.SATURDAY NIGHT...Breezy. Mostly cloudy. Slight chance of rain in
the evening, then chance of rain and snow after midnight. Lows in
the mid 30s. Chance of precipitation 30 percent.
.SUNDAY...Breezy. Partly sunny. Chance of rain and snow in the
morning, then chance of rain in the afternoon. Highs in the lower
50s. Chance of precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain in
the evening, then partly cloudy after midnight. Lows in the lower
30s.
.MONDAY...Mostly sunny. Highs in the lower 60s.
--------------------------------
MTZ314-122200-
Fergus County below 4500ft-
Including the cities of Hilger and Lewistown
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Sunny. Highs in the mid 70s. Southeast winds up to
10 mph.
.TONIGHT...Partly cloudy. Lows around 50. Southeast winds 5 to
15 mph with gusts to around 30 mph.
.WEDNESDAY...Breezy, warmer. Partly sunny. Highs in the upper
80s. Southeast winds 10 to 15 mph shifting to the south 15 to
25 mph in the afternoon. Gusts up to 40 mph.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Chance of rain showers
and slight chance of thunderstorms in the evening, then slight
chance of rain showers after midnight. Lows in the upper 40s.
Southwest winds 15 to 30 mph shifting to the west 25 to 35 mph
with gusts to around 50 mph after midnight. Chance of
precipitation 50 percent.
.THURSDAY...Very windy. Much cooler. Mostly sunny. Chance of rain
showers in the morning, then slight chance of rain showers in the
afternoon. Highs in the mid 60s. West winds 25 to 45 mph. Gusts
up to 60 mph in the morning. Chance of showers 40 percent.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows 43 to 49.
Highs in the upper 60s.
.FRIDAY NIGHT...Mostly clear in the evening then becoming mostly
cloudy. Lows in the mid 40s.
.SATURDAY AND SATURDAY NIGHT...Windy. Mostly cloudy. A 20 percent
chance of rain. Highs in the lower 60s. Lows in the upper 30s.
.SUNDAY...Windy. Partly sunny. Chance of rain and snow in the
morning, then chance of rain in the afternoon. Highs 53 to 59.
Chance of precipitation 50 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the mid 30s.
Highs in the mid 60s.
&&
TEMPERATURE / PRECIPITATION
Lewistown 74 46 87 / 0 0 10
--------------------------------
MTZ315-122200-
Upper Blackfoot and MacDonald Pass-
Including the cities of Marysville, Lincoln, Flesher Pass,
and MacDonald Pass
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Warmer, sunny. Highs 68 to 78. East winds up to 10 mph.
.TONIGHT...Partly cloudy. Lows in the upper 40s. East winds up to
5 mph shifting to the south after midnight. Gusts up to 20 mph.
.WEDNESDAY...Mostly sunny in the morning, then mostly cloudy with
chance of rain showers and slight chance of thunderstorms in the
afternoon. Highs 69 to 79. South winds up to 10 mph with gusts to
around 30 mph increasing to southwest 10 to 20 mph with gusts to
around 45 mph in the afternoon. Chance of precipitation
50 percent.
.WEDNESDAY NIGHT...Very windy. Colder. Mostly cloudy. Chance of
rain showers and slight chance of thunderstorms in the evening,
then chance of rain showers and snow showers after midnight. Lows
34 to 40. West winds 20 to 40 mph. Gusts up to 60 mph increasing
to 70 mph after midnight. Chance of precipitation 50 percent.
.THURSDAY...Very windy. Cooler. Partly sunny with a 20 percent
chance of rain showers and snow showers in the morning, then
sunny in the afternoon. Highs 46 to 56. West winds 25 to 40 mph.
Gusts up to 65 mph decreasing to 55 mph in the afternoon.
.THURSDAY NIGHT AND FRIDAY...Breezy. Mostly clear. Lows in the
upper 30s. Highs 52 to 62.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the mid 30s.
.SATURDAY...Breezy. Partly sunny. A 20 percent chance of snow in
the morning. Highs 43 to 51.
.SATURDAY NIGHT...Partly cloudy. Lows around 30.
.SUNDAY...Partly sunny. Chance of snow showers, rain and slight
chance of thunderstorms in the afternoon. Highs 44 to 52. Chance
of precipitation 40 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 30s.
Highs 52 to 60.
--------------------------------
MTZ316-122200-
Gates of the Mountains-
Including the cities of Canyon Creek, Wolf Creek, and Craig
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs 73 to 81. East winds up to 10 mph.
.TONIGHT...Partly cloudy. Lows around 50. East winds up to 5 mph
shifting to the south after midnight. Gusts up to 20 mph.
.WEDNESDAY...Breezy. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs 77 to 85.
South winds 5 to 10 mph with gusts to around 25 mph increasing to
southwest 10 to 25 mph with gusts to around 45 mph in the
afternoon. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Windy, colder. Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms in the evening, then
slight chance of rain showers after midnight. Lows 39 to 45. West
winds 25 to 35 mph with gusts to around 60 mph. Chance of
precipitation 50 percent.
.THURSDAY...Windy, cooler. Partly sunny with a 20 percent chance
of rain showers in the morning, then sunny in the afternoon.
Highs 55 to 63. West winds 25 to 35 mph with gusts to around
60 mph.
.THURSDAY NIGHT AND FRIDAY...Breezy. Mostly clear. Lows in the
lower 40s. Highs 60 to 68.
.FRIDAY NIGHT AND SATURDAY...Breezy, cooler. Mostly cloudy. Lows
around 40. Highs 51 to 57.
.SATURDAY NIGHT...Partly cloudy in the evening, then mostly
cloudy with a 20 percent chance of snow after midnight. Lows in
the mid 30s.
.SUNDAY...Partly sunny. Slight chance of rain and snow in the
morning, then chance of rain and snow in the afternoon. Highs
50 to 56. Chance of precipitation 40 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the mid 30s.
Highs 58 to 66.
--------------------------------
MTZ317-122200-
Little Belt and Highwood Mountains-
Including the cities of Monarch, Neihart, and Kings Hill Pass
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs 65 to 73. South winds up to 10 mph with
gusts to around 30 mph.
.TONIGHT...Partly cloudy. Lows 45 to 53. Southeast winds 5 to
15 mph with gusts to around 30 mph.
.WEDNESDAY...Breezy, warmer. Partly sunny. A 20 percent chance of
thunderstorms in the afternoon. Highs 73 to 81. South winds 5 to
15 mph increasing to 10 to 25 mph in the afternoon. Gusts up to
45 mph.
.WEDNESDAY NIGHT...Windy, colder. Mostly cloudy. Rain showers
likely and slight chance of thunderstorms in the evening, then
chance of rain showers and snow showers after midnight. Lows
34 to 42. Southwest winds 20 to 35 mph. Gusts up to 50 mph
increasing to 60 mph after midnight. Chance of precipitation
70 percent.
.THURSDAY...Very windy. Cooler. Mostly sunny. Chance of rain
showers and snow showers in the morning, then slight chance of
rain showers and snow showers in the afternoon. Highs 50 to 58.
West winds 25 to 45 mph with gusts to around 65 mph decreasing to
25 to 35 mph with gusts to around 55 mph in the afternoon. Chance
of precipitation 30 percent.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows 35 to 43.
Highs 54 to 62.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows 35 to 41.
.SATURDAY...Breezy. Partly sunny with a 20 percent chance of rain
and snow. Highs 47 to 53.
.SATURDAY NIGHT...Colder. Mostly cloudy. Slight chance of rain
and snow in the evening, then chance of snow after midnight. Lows
28 to 34. Chance of precipitation 40 percent.
.SUNDAY...Partly sunny. Chance of snow in the morning, then
chance of snow showers, rain and slight chance of thunderstorms
in the afternoon. Highs 42 to 50. Chance of precipitation
50 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. A 20 percent chance of
rain and snow. Lows 28 to 34. Highs 51 to 59.
--------------------------------
MTZ318-122200-
Snowy and Judith Mountains-
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY EVENING...
.TODAY...Sunny. Highs 63 to 71. Southeast winds up to 10 mph.
Gusts up to 25 mph in the afternoon.
.TONIGHT...Partly cloudy. Lows in the upper 40s. Southeast winds
5 to 15 mph with gusts to around 35 mph.
.WEDNESDAY...Breezy, warmer. Mostly sunny. Highs 76 to 84. South
winds 10 to 15 mph increasing to 15 to 25 mph in the afternoon.
Gusts up to 40 mph.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Chance of rain showers
and slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows 40 to 46. Southwest winds 15 to
25 mph with gusts to around 45 mph shifting to the west 20 to
35 mph with gusts to around 55 mph after midnight. Chance of
precipitation 50 percent.
.THURSDAY...Very windy. Cooler. Mostly sunny. Slight chance of
rain showers and snow showers in the morning, then slight chance
of rain showers in the afternoon. Highs 54 to 62. West winds
25 to 45 mph decreasing to 25 to 35 mph in the afternoon. Gusts
up to 65 mph. Chance of precipitation 20 percent.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows around 40.
Highs 57 to 65.
.FRIDAY NIGHT...Partly cloudy in the evening, then mostly cloudy
with a 20 percent chance of rain after midnight. Lows in the
upper 30s.
.SATURDAY...Breezy. Partly sunny. Slight chance of rain and snow
in the morning, then chance of rain and snow in the afternoon.
Highs 51 to 57. Chance of precipitation 40 percent.
.SATURDAY NIGHT...Breezy. Mostly cloudy. Chance of rain and snow
in the evening, then slight chance of snow and rain after
midnight. Lows in the lower 30s. Chance of precipitation
30 percent.
.SUNDAY...Windy. Partly sunny. Chance of snow in the morning,
then chance of rain and snow in the afternoon. Highs 44 to 50.
Chance of precipitation 50 percent.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the lower 30s.
.MONDAY...Not as cool. Mostly sunny. A 20 percent chance of rain
and snow in the afternoon. Highs 53 to 59.
--------------------------------
MTZ319-122200-
Helena Valley-
Including the city of Helena
336 AM MDT Tue May 12 2026
...HIGH WIND WATCH IN EFFECT FROM LATE WEDNESDAY NIGHT THROUGH
THURSDAY AFTERNOON...
.TODAY...Sunny. Highs in the lower 80s. East winds up to 10 mph.
.TONIGHT...Partly cloudy. Lows in the upper 40s. East winds up to
5 mph. Gusts up to 20 mph in the evening.
.WEDNESDAY...Partly sunny. Chance of rain showers and slight
chance of thunderstorms in the afternoon. Highs in the upper 80s.
Southeast winds up to 10 mph with gusts to around 25 mph shifting
to the south with gusts to around 40 mph in the afternoon. Chance
of precipitation 50 percent.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Chance of rain showers
and slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the mid 40s. West winds
20 to 35 mph with gusts to around 50 mph. Chance of precipitation
50 percent.
.THURSDAY...Very windy. Much cooler. Partly sunny with a
20 percent chance of rain showers in the morning, then sunny in
the afternoon. Highs in the mid 60s. West winds 20 to 30 mph
increasing to 30 to 40 mph in the afternoon. Gusts up to 55 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 30s.
Highs around 70.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 30s.
.SATURDAY AND SATURDAY NIGHT...Breezy, cooler. Mostly cloudy.
Highs in the upper 50s. Lows in the lower 30s.
.SUNDAY...Partly sunny. Slight chance of rain in the morning,
then slight chance of thunderstorms in the afternoon. Highs in
the upper 50s. Chance of precipitation 20 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 30s.
Highs in the mid 60s.
&&
TEMPERATURE / PRECIPITATION
Helena 83 49 88 / 0 0 40
--------------------------------
MTZ320-122200-
Big Belt, Bridger and Castle Mountains-
Including the cities of Trident, Maudlow, Battle Ridge Pass,
Bozeman Pass, and Deep Creek Pass
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs 66 to 76. Southeast winds up to 10 mph
shifting to the south in the afternoon. Gusts up to 25 mph.
.TONIGHT...Partly cloudy. Lows 44 to 50. East winds up to 10 mph
with gusts to around 35 mph.
.WEDNESDAY...Breezy, warmer. Partly sunny. A 20 percent chance of
thunderstorms in the afternoon. Highs 72 to 82. Southeast winds
5 to 15 mph with gusts to around 35 mph increasing to south 15 to
25 mph with gusts to around 50 mph in the afternoon.
.WEDNESDAY NIGHT...Windy, colder. Mostly cloudy. Rain showers
likely and slight chance of thunderstorms in the evening, then
chance of rain showers and snow showers after midnight. Light
snow accumulations. Lows 35 to 43. West winds 20 to 35 mph. Gusts
up to 60 mph increasing to 75 mph after midnight. Chance of
precipitation 70 percent.
.THURSDAY...Windy, cooler. Mostly sunny. A 20 percent chance of
rain showers and snow showers in the morning. Highs 50 to 60.
West winds 25 to 35 mph. Gusts up to 85 mph decreasing to 70 mph
in the afternoon.
.THURSDAY NIGHT AND FRIDAY...Breezy. Mostly clear. Lows in the
upper 30s. Highs 55 to 65.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 30s.
.SATURDAY AND SATURDAY NIGHT...Breezy, cooler. Mostly cloudy. A
20 percent chance of rain and snow. Highs 45 to 55. Lows in the
lower 30s.
.SUNDAY...Partly sunny. Slight chance of snow in the morning,
then chance of snow and rain in the afternoon. Highs 43 to 51.
Chance of precipitation 40 percent.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the lower 30s.
.MONDAY...Not as cool. Mostly sunny. A 20 percent chance of rain
and snow in the afternoon. Highs 51 to 59.
--------------------------------
MTZ321-122200-
Meagher County Valleys-
Including the cities of Martinsdale, Checkerboard, Ringling,
and White Sulphur Springs
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs in the mid 70s. Southeast winds up to
10 mph.
.TONIGHT...Partly cloudy. Lows in the mid 40s. East winds 5 to
10 mph with gusts to around 25 mph.
.WEDNESDAY...Windy. Partly sunny. A 20 percent chance of
thunderstorms in the afternoon. Highs in the lower 80s. Southeast
winds 5 to 15 mph with gusts to around 30 mph increasing to south
15 to 30 mph with gusts to around 45 mph in the afternoon.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Rain showers likely and
slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the lower 40s. Southwest
winds 20 to 35 mph with gusts to around 60 mph. Chance of
precipitation 70 percent.
.THURSDAY...Very windy. Much cooler. Mostly sunny. Slight chance
of rain showers and snow showers in the morning, then slight
chance of rain showers in the afternoon. Highs in the upper 50s.
West winds 30 to 45 mph with gusts to around 70 mph. Chance of
precipitation 20 percent.
.THURSDAY NIGHT AND FRIDAY...Windy. Mostly clear. Lows in the
upper 30s. Highs in the lower 60s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 30s.
.SATURDAY AND SATURDAY NIGHT...Breezy. Mostly cloudy. A
20 percent chance of rain and snow. Highs in the mid 50s. Lows in
the lower 30s.
.SUNDAY...Partly sunny. Chance of snow in the morning, then
chance of rain and snow in the afternoon. Highs around 50. Chance
of precipitation 40 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. A 20 percent chance of
rain. Lows around 30. Highs in the upper 50s.
--------------------------------
MTZ322-122200-
Elkhorn and Boulder Mountains-
Including the cities of Montana City, Clancy, Boulder, Corbin,
Wickes, Elk Park Pass, and Homestake Pass
336 AM MDT Tue May 12 2026
.TODAY...Warmer, sunny. Highs 68 to 78. Southeast winds up to
10 mph with gusts to around 25 mph.
.TONIGHT...Partly cloudy. Lows 45 to 51. East winds up to 10 mph
shifting to the south after midnight. Gusts up to 30 mph.
.WEDNESDAY...Breezy. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs 70 to 80.
South winds 5 to 10 mph with gusts to around 40 mph increasing to
southwest 15 to 25 mph with gusts to around 50 mph in the
afternoon. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Windy, colder. Mostly cloudy. Chance of rain
showers, snow showers and slight chance of thunderstorms in the
evening, then chance of rain showers and snow showers after
midnight. Lows 34 to 42. West winds 20 to 35 mph with gusts to
around 60 mph. Chance of precipitation 50 percent.
.THURSDAY...Windy, cooler. Mostly sunny. A 20 percent chance of
rain showers and snow showers in the morning. Highs 50 to 60.
West winds 20 to 30 mph. Gusts up to 60 mph decreasing to 50 mph
in the afternoon.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 33 to 39. Highs
55 to 65.
.FRIDAY NIGHT...Partly cloudy. Lows 33 to 39.
.SATURDAY...Partly sunny. A 20 percent chance of rain and snow in
the morning. Highs 44 to 54.
.SATURDAY NIGHT...Colder. Mostly cloudy. Lows 26 to 32.
.SUNDAY...Mostly sunny. Slight chance of snow in the morning,
then slight chance of thunderstorms and snow showers in the
afternoon. Highs 43 to 53. Chance of precipitation 20 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows 27 to 33. Highs
51 to 61.
--------------------------------
MTZ323-122200-
Canyon Ferry Area-
Including the cities of Toston, Townsend, and Winston
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs around 80. Southeast winds up to 10 mph.
.TONIGHT...Partly cloudy. Lows in the upper 40s. East winds up to
10 mph shifting to the southeast after midnight.
.WEDNESDAY...Breezy. Partly sunny. A 20 percent chance of
thunderstorms in the afternoon. Highs 82 to 88. Southeast winds
5 to 10 mph with gusts to around 30 mph increasing to south 15 to
25 mph with gusts to around 50 mph in the afternoon.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Chance of rain showers
and slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the mid 40s. West winds
25 to 35 mph with gusts to around 55 mph decreasing to 15 to
30 mph with gusts to around 45 mph after midnight. Chance of
precipitation 50 percent.
.THURSDAY...Windy, cooler. Mostly sunny. A 20 percent chance of
rain showers in the morning. Highs in the mid 60s. West winds
20 to 35 mph with gusts to around 50 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows around 40. Highs
in the upper 60s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows around 40.
.SATURDAY...Breezy, cooler. Partly sunny with a 20 percent chance
of rain. Highs in the upper 50s.
.SATURDAY NIGHT...Breezy. Mostly cloudy. Lows in the mid 30s.
.SUNDAY...Partly sunny. Slight chance of rain and snow in the
morning, then slight chance of rain in the afternoon. Highs in
the mid 50s. Chance of precipitation 20 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the mid 30s.
Highs in the mid 60s.
--------------------------------
MTZ324-122200-
Missouri Headwaters-
Including the cities of Harrison, Three Forks, Willow Creek,
Pony, and Whitehall
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs in the lower 80s. East winds up to 10 mph.
.TONIGHT...Partly cloudy. Lows in the upper 40s. Southeast winds
up to 10 mph.
.WEDNESDAY...Windy. Partly sunny. A 20 percent chance of
thunderstorms in the afternoon. Highs 82 to 88. Southeast winds
up to 5 mph with gusts to around 30 mph increasing to southwest
25 to 35 mph with gusts to around 50 mph in the afternoon.
.WEDNESDAY NIGHT...Very windy. Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms in the evening, then
chance of rain showers after midnight. Lows in the lower 40s.
Southwest winds 25 to 40 mph shifting to the west 20 to 30 mph
after midnight. Chance of precipitation 50 percent.
.THURSDAY...Windy, cooler. Mostly sunny. A 20 percent chance of
rain showers in the morning. Highs in the mid 60s. West winds
20 to 35 mph with gusts to around 50 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 30s.
Highs around 70.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows around 40.
.SATURDAY...Cooler. Partly sunny. Slight chance of rain in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs in the upper 50s. Chance of
precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy. Slight chance of rain in the
evening, then slight chance of rain and snow after midnight. Lows
in the lower 30s. Chance of precipitation 20 percent.
.SUNDAY...Mostly sunny. Slight chance of snow in the morning,
then slight chance of thunderstorms and snow in the afternoon.
Highs in the mid 50s. Chance of precipitation 20 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 30s.
Highs in the mid 60s.
--------------------------------
MTZ325-122200-
Madison River Valley-
Including the cities of Cameron, Ennis, Jeffers, McAllister,
and Norris
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs in the lower 80s. East winds up to 5 mph
shifting to the north in the afternoon.
.TONIGHT...Mostly clear. Lows in the lower 50s. North winds up to
10 mph shifting to the south after midnight. Gusts up to 25 mph.
.WEDNESDAY...Strong winds. Mostly sunny. A 20 percent chance of
rain showers in the afternoon. Highs in the mid 80s. South winds
10 to 20 mph increasing to 30 to 50 mph in the afternoon.
.WEDNESDAY NIGHT...Windy, colder. Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms in the evening, then
chance of rain showers after midnight. Lows in the lower 40s.
Southwest winds 25 to 35 mph with gusts to around 50 mph
decreasing to 15 to 20 mph with gusts to around 35 mph after
midnight. Chance of precipitation 50 percent.
.THURSDAY...Windy, cooler. Mostly sunny. A 20 percent chance of
rain showers and snow showers in the morning. Highs 64 to 70.
Southwest winds 15 to 25 mph increasing to west 25 to 35 mph in
the afternoon.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows around 40. Highs
in the lower 70s.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows around 40.
.SATURDAY...Cooler. Partly sunny. Slight chance of rain in the
morning, then chance of rain showers and slight chance of
thunderstorms in the afternoon. Highs around 60. Chance of
precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy with a 50 percent chance of rain
and snow. Lows in the lower 30s.
.SUNDAY...Partly sunny. Chance of snow in the morning, then
chance of rain showers, snow showers and slight chance of
thunderstorms in the afternoon. Highs in the mid 50s. Chance of
precipitation 30 percent.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of rain
and snow in the evening, then partly cloudy after midnight. Lows
in the lower 30s.
.MONDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 60s.
--------------------------------
MTZ326-122200-
Gallatin Valley-
Including the cities of Bozeman and Gallatin Gateway
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs around 80. East winds up to 5 mph. Gusts up
to 20 mph in the afternoon.
.TONIGHT...Mostly clear. Lows in the upper 40s. East winds up to
10 mph with gusts to around 25 mph.
.WEDNESDAY...Windy. Mostly sunny. A 20 percent chance of rain
showers in the afternoon. Highs in the mid 80s. Southeast winds
up to 5 mph with gusts to around 25 mph increasing to southwest
20 to 35 mph in the afternoon.
.WEDNESDAY NIGHT...Windy. Mostly cloudy. Chance of rain showers
and slight chance of thunderstorms in the evening, then chance of
rain showers after midnight. Lows in the lower 40s. Southwest
winds 20 to 35 mph shifting to the west 15 to 25 mph after
midnight. Chance of precipitation 50 percent.
.THURSDAY...Windy, cooler. Mostly sunny. A 20 percent chance of
rain showers in the morning. Highs in the mid 60s. West winds
15 to 30 mph increasing to 25 to 35 mph in the afternoon.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 30s.
Highs around 70.
.FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly
cloudy. Lows in the upper 30s.
.SATURDAY...Cooler. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs in the
upper 50s. Chance of precipitation 40 percent.
.SATURDAY NIGHT...Mostly cloudy. Chance of rain and snow in the
evening, then chance of snow and slight chance of rain after
midnight. Lows in the lower 30s. Chance of precipitation
50 percent.
.SUNDAY...Partly sunny. Slight chance of rain and snow in the
morning, then chance of rain showers, snow showers and slight
chance of thunderstorms in the afternoon. Highs in the mid 50s.
Chance of precipitation 30 percent.
.SUNDAY NIGHT...Mostly cloudy in the evening then becoming partly
cloudy. Lows in the lower 30s.
.MONDAY...Mostly sunny. A 20 percent chance of thunderstorms in
the afternoon. Highs in the lower 60s.
&&
TEMPERATURE / PRECIPITATION
Bozeman Airport 81 45 88 / 0 0 20
Bozeman MSU 80 48 87 / 0 0 20
--------------------------------
MTZ330-122200-
Gallatin and Madison County Mountains and Centennial Mountains-
Including the cities of Big Sky, West Yellowstone, Targhee Pass,
and Raynolds Pass
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs 65 to 77. West winds up to 10 mph. Gusts up
to 25 mph in the afternoon.
.TONIGHT...Mostly clear. Lows 44 to 50. South winds 5 to 10 mph.
Gusts up to 25 mph increasing to 35 mph after midnight.
.WEDNESDAY...Windy. Mostly sunny. A 20 percent chance of rain
showers in the afternoon. Highs 66 to 78. South winds 10 to
15 mph with gusts to around 50 mph increasing to 25 to 35 mph
with gusts to around 60 mph in the afternoon.
.WEDNESDAY NIGHT...Windy, colder. Mostly cloudy. Chance of rain
showers, snow showers and slight chance of thunderstorms in the
evening, then chance of snow showers and rain showers after
midnight. Lows 30 to 38. Southwest winds 20 to 30 mph decreasing
to 10 to 25 mph after midnight. Gusts up to 55 mph. Chance of
precipitation 50 percent.
.THURSDAY...Windy, cooler. Mostly sunny. A 20 percent chance of
snow showers in the morning. Highs 50 to 62. Southwest winds
15 to 30 mph with gusts to around 50 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows 32 to 38. Highs
54 to 66.
.FRIDAY NIGHT...Partly cloudy. Lows 33 to 39.
.SATURDAY...Partly sunny. Slight chance of snow in the morning,
then chance of snow showers, rain showers and slight chance of
thunderstorms in the afternoon. Highs 47 to 57. Chance of
precipitation 50 percent.
.SATURDAY NIGHT...Colder. Mostly cloudy. Chance of snow and rain
in the evening, then chance of snow after midnight. Lows 24 to
30. Chance of precipitation 50 percent.
.SUNDAY...Partly sunny. Chance of snow in the morning, then
chance of snow showers and slight chance of thunderstorms in the
afternoon. Highs 40 to 50. Chance of precipitation 40 percent.
.SUNDAY NIGHT...Mostly cloudy with a 20 percent chance of snow in
the evening, then partly cloudy after midnight. Lows 24 to 30.
.MONDAY...Not as cool. Mostly sunny. A 20 percent chance of
thunderstorms and snow showers in the afternoon. Highs 48 to 58.
&&
TEMPERATURE / PRECIPITATION
West Yellowstone 80 42 80 / 0 0 20
--------------------------------
MTZ327-122200-
Northwest Beaverhead County-
Including the cities of Dewey, Wisdom, Wise River, Big Hole Pass,
and Chief Joseph Pass
336 AM MDT Tue May 12 2026
.TODAY...Warmer, sunny. Highs 68 to 78. South winds up to 5 mph
shifting to the west in the afternoon.
.TONIGHT...Partly cloudy. Lows in the upper 40s. West winds up to
10 mph shifting to the southeast after midnight. Gusts up to
30 mph.
.WEDNESDAY...Windy. Partly sunny. Chance of rain showers and
slight chance of thunderstorms in the afternoon. Highs 64 to 74.
South winds 5 to 15 mph with gusts to around 50 mph increasing to
southwest 20 to 30 mph with gusts to around 60 mph in the
afternoon. Chance of precipitation 50 percent.
.WEDNESDAY NIGHT...Windy, colder. Mostly cloudy. Chance of rain
showers, snow showers and slight chance of thunderstorms in the
evening, then chance of snow showers and rain showers after
midnight. Lows 29 to 35. West winds 15 to 30 mph with gusts to
around 65 mph. Chance of precipitation 50 percent.
.THURSDAY...Windy, sunny. A 20 percent chance of snow showers in
the morning. Highs 48 to 60. West winds 15 to 30 mph. Gusts up to
65 mph decreasing to 50 mph in the afternoon.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the lower 30s.
Highs 52 to 64.
.FRIDAY NIGHT...Partly cloudy. Lows in the lower 30s.
.SATURDAY AND SATURDAY NIGHT...Cooler. Mostly cloudy. A
20 percent chance of snow. Highs 41 to 51. Lows in the mid 20s.
.SUNDAY...Mostly sunny. A 20 percent chance of snow in the
afternoon. Highs 41 to 51.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the mid 20s.
Highs 49 to 59.
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MTZ328-122200-
Beaverhead and Western Madison below 6000ft-
Including the cities of Bannack, Dillon, Glen, and Waterloo
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs 77 to 85. Southeast winds up to 5 mph
shifting to the west in the afternoon.
.TONIGHT...Partly cloudy. Lows around 50. Northeast winds up to
10 mph shifting to the southeast after midnight.
.WEDNESDAY...Very windy. Partly sunny. A 20 percent chance of
thunderstorms in the afternoon. Highs 77 to 85. South winds 5 to
10 mph with gusts to around 50 mph increasing to southwest 30 to
45 mph with gusts to around 60 mph in the afternoon.
.WEDNESDAY NIGHT...Windy, colder. Mostly cloudy. Chance of rain
showers and slight chance of thunderstorms in the evening, then
chance of rain showers and snow showers after midnight. Lows in
the upper 30s. Southwest winds 25 to 35 mph with gusts to around
60 mph decreasing to 15 to 30 mph with gusts to around 50 mph
after midnight. Chance of precipitation 40 percent.
.THURSDAY...Windy, cooler, sunny. A 20 percent chance of rain
showers and snow showers in the morning. Highs 61 to 67. West
winds 15 to 30 mph with gusts to around 50 mph.
.THURSDAY NIGHT AND FRIDAY...Mostly clear. Lows in the upper 30s.
Highs 65 to 71.
.FRIDAY NIGHT...Partly cloudy. Lows in the upper 30s.
.SATURDAY...Breezy. Partly sunny. Highs 55 to 61.
.SATURDAY NIGHT...Mostly cloudy. Slight chance of rain and snow
in the evening, then slight chance of snow after midnight. Lows
around 30. Chance of precipitation 20 percent.
.SUNDAY...Mostly sunny. A 20 percent chance of rain and snow in
the afternoon. Highs 51 to 57.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the lower 30s.
Highs 59 to 65.
&&
TEMPERATURE / PRECIPITATION
Dillon 84 49 83 / 0 0 20
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MTZ329-122200-
Ruby Mountains and Southern Beaverhead Mountains-
Including the city of Monida Pass
336 AM MDT Tue May 12 2026
.TODAY...Sunny. Highs 71 to 79. West winds up to 5 mph with gusts
to around 20 mph increasing to 5 to 15 mph with gusts to around
30 mph in the afternoon.
.TONIGHT...Partly cloudy. Lows in the upper 40s. South winds 5 to
15 mph with gusts to around 35 mph.
.WEDNESDAY...Very windy. Mostly sunny. A 20 percent chance of
rain showers in the afternoon. Highs 68 to 76. South winds 15 to
25 mph increasing to 30 to 45 mph in the afternoon. Gusts up to
60 mph.
.WEDNESDAY NIGHT...Very windy. Colder. Mostly cloudy with slight
chance of rain showers and snow showers in the evening, then
partly cloudy with chance of snow showers and rain showers after
midnight. Lows 32 to 38. Southwest winds 25 to 40 mph with gusts
to around 60 mph becoming west 15 to 25 mph with gusts to around
45 mph after midnight. Chance of precipitation 40 percent.
.THURSDAY...Windy, sunny. A 20 percent chance of snow showers in
the morning. Highs 54 to 64. Southwest winds 10 to 15 mph
increasing to west 20 to 30 mph in the afternoon.
.THURSDAY NIGHT AND FRIDAY...Breezy. Mostly clear. Lows in the
mid 30s. Highs 58 to 66.
.FRIDAY NIGHT AND SATURDAY...Windy. Partly cloudy. Lows in the
mid 30s. Highs 49 to 57.
.SATURDAY NIGHT...Windy. Mostly cloudy with a 20 percent chance
of snow. Lows in the upper 20s.
.SUNDAY...Mostly sunny. Slight chance of snow in the morning,
then slight chance of thunderstorms and snow showers in the
afternoon. Highs 45 to 51. Chance of precipitation 20 percent.
.SUNDAY NIGHT AND MONDAY...Partly cloudy. Lows in the upper 20s.
Highs 53 to 59.
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