Yellowstone National Park Forecast

FPUS55 KRIW 090403

ZFPRIW



Zone Forecast Product for Western and Central Wyoming

National Weather Service Riverton WY

901 PM MST Sun Feb 8 2026



WYZ020-091100-

Natrona County Lower Elevations-

WYZ001-091100-

Yellowstone National Park-

Including the cities of Lake, Mammoth, and Old Faithful

901 PM MST Sun Feb 8 2026



...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM MST

MONDAY...



.TONIGHT...Numerous snow showers late this evening, then snow

showers after midnight. Snow may be heavy at times after

midnight. Snow accumulation up to 11 inches. Breezy with lows in

the mid 20s. Southwest winds 15 to 25 mph with gusts up to

40 mph. Chance of snow 90 percent. 

.MONDAY...Isolated thunderstorms. Snow showers. Storm total snow

accumulation of 4 to 8 inches. Breezy with highs around 30. West

winds 15 to 20 mph with gusts up to 30 mph. Chance of snow

80 percent. 

.MONDAY NIGHT...Patchy fog in the evening. Partly cloudy with

scattered snow showers in the evening, then mostly cloudy after

midnight. Cold with lows 8 to 14 above. Southwest winds around

10 mph with gusts up to 20 mph in the evening. Chance of snow

30 percent. 

.TUESDAY...Mostly cloudy. A slight chance of. Highs around 30. 

.TUESDAY NIGHT...Cloudy. A chance of snow showers in the evening,

then snow showers likely after midnight. Light snow accumulation

possible. Cold with lows 14 to 20. Chance of snow 60 percent. 

.WEDNESDAY...Snow showers. New moderate snow accumulation. Highs

in the lower 30s. Chance of snow 80 percent. 

.WEDNESDAY NIGHT...Mostly cloudy. Snow showers likely, mainly in

the evening. New light snow accumulation possible. Cold with lows

10 to 20. Chance of snow 60 percent. 

.THURSDAY...Mostly cloudy in the morning, then becoming partly

cloudy. A 30 percent chance of snow showers. Highs around 30. 

.THURSDAY NIGHT...Partly cloudy in the evening, then becoming

mostly cloudy. Cold with lows 10 to 15. 

.FRIDAY...Mostly cloudy in the morning, then partly cloudy with a

chance of snow showers in the afternoon. Highs in the upper 20s.

Chance of snow 30 percent. 

.FRIDAY NIGHT...Partly cloudy with a slight chance of snow

showers in the evening, then mostly cloudy with a chance of snow

showers after midnight. Cold with lows 10 to 15. Chance of snow

30 percent. 

.SATURDAY...Mostly cloudy with a 30 percent chance of snow

showers. Highs in the upper 20s. 

.SATURDAY NIGHT...Cloudy with snow showers likely. Light snow

accumulation possible. Cold with lows 10 to 15. Chance of snow

60 percent. 

.SUNDAY...A chance of snow showers in the morning, then snow

showers likely in the afternoon. New light snow accumulation

possible. Highs in the upper 20s. Chance of snow 60 percent. 



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