Montana Weather General Forecast

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FPUS65 KTFX 171824
SFPMT

State Forecast For Montana
National Weather Service Great Falls MT
1224 PM MDT Thu Jul 17 2025

MTZ001.007-043-172200-
West of the Continental Divide-
National Weather Service Missoula MT
1224 PM MDT Thu Jul 17 2025

.TODAY...Mostly sunny. Highs in the 80s.
.TONIGHT...Mostly clear. Lows in the mid 40s to lower 50s.
.FRIDAY...Mostly clear. Highs in the mid 80s to lower 90s.
.SATURDAY...Partly cloudy. Lows in the upper 40s to mid 50s.
Highs in the 80s.
.SUNDAY...Mostly cloudy. Lows in the mid 40s to lower 50s. Highs
in the upper 70s to mid 80s.
.MONDAY...Mostly cloudy. Lows in the mid 40s to lower 50s. Highs
in the mid 70s to lower 80s.

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MTZ301.314-316.318-172200-
Central Montana-
National Weather Service Great Falls MT
1224 PM MDT Thu Jul 17 2025

.REST OF TODAY...Sunny. Chance of thunderstorms and slight chance
of rain showers in the afternoon. Some thunderstorms may produce
small hail in the afternoon. Highs 70 to 80...65 to 75 in the
mountains.
.TONIGHT...Partly cloudy. Chance of rain showers and slight
chance of thunderstorms. Some thunderstorms may produce damaging
winds and small hail. Lows 50 to 55...45 to 50 in the mountains.
.FRIDAY...Partly cloudy in the morning then clearing. Highs 75 to
80...65 to 75 in the mountains.
.SATURDAY...Partly cloudy. Slight chance of rain showers. Lows
50 to 60. Highs 80 to 90.
.SUNDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 85.
.MONDAY...Mostly cloudy. Chance of rain showers and slight chance
of thunderstorms. Lows 50 to 55. Highs 70 to 80.
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MTZ315-319.330-172200-
Southwest Montana-
National Weather Service Great Falls MT
1224 PM MDT Thu Jul 17 2025

.REST OF TODAY...Sunny. Areas of smoke in the afternoon. Highs
80 to 90...70 to 80 in the mountains.
.TONIGHT...Mostly clear. Lows 45 to 55.
.FRIDAY...Sunny then becoming partly cloudy. Chance of rain
showers in the afternoon and evening. Highs 80 to 90...70 to
80 in the mountains.
.SATURDAY...Mostly clear. Lows 50 to 55. Highs 75 to 85.
.SUNDAY...Partly cloudy. Lows 50 to 55. Highs 75 to 85.
.MONDAY...Mostly cloudy. Slight chance of showers and
thunderstorms. Lows 50 to 55. Highs 70 to 80.
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MTZ016.027-059.062-172200-
Northeast Montana-
National Weather Service Glasgow MT
1224 PM MDT Thu Jul 17 2025

.REST OF TODAY...Mostly cloudy. A slight chance of showers in the
afternoon. Highs in the 70s.
.TONIGHT...Partly cloudy with a slight chance of showers and
thunderstorms. Some thunderstorms may be severe after midnight.
Lows near 50.
.FRIDAY...Partly cloudy in the morning then clearing. Highs near
80.
.SATURDAY...Partly cloudy with a chance of showers and
thunderstorms. Highs in the mid to upper 80s. Lows in the mid to
upper 50s.
.SUNDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs in the mid 80s to lower 90s. Lows near 60.
.MONDAY...Partly cloudy with a slight chance of showers and
thunderstorms. Highs in the 80s. Lows in the mid 50s to lower
60s.

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MTZ028.042-056.058-063.068-172200-
South Central and Southeast Montana-
National Weather Service Billings MT
1224 PM MDT Thu Jul 17 2025

.REST OF TODAY...Sunny. Highs in the upper 70s to the upper 80s.
.TONIGHT...Mostly clear. Slight chance of rain showers and
isolated thunderstorms. Lows in the upper 40s to the upper 50s.
.FRIDAY...Sunny. Highs of around 80 to around 90.
.FRIDAY NIGHT...Partly cloudy. Slight chance of thunderstorms.
Lows in the lower 50s to the lower 60s.
.SATURDAY...Mostly sunny. Slight chance of thunderstorms. Highs
in the mid 80s to the mid 90s.
.SATURDAY NIGHT...Partly cloudy. Slight chance of thunderstorms.
Lows in the lower 50s to mid 60s.
.SUNDAY...Sunny. Highs in the mid 80s to lower 90s.
.SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy. Slight chance of
thunderstorms. Lows around 50 to the lower 60s. Highs around
80 to the lower 90s.

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