National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Atmospheric River Bringing Heavy Rain to Southern California and Heavy Snow to the Sierra Nevadas

A strong atmospheric river will continue heavy rain over southern California through Friday. The heaviest rainfall is ongoing today in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall has begun over the Sierra Nevada Mountains and will continue through Friday. Travel will become increasingly difficult over the passes due to snow and strong winds. Read More >

Current conditions at

EW9980 West Yellowstone (E9980)

Lat: 44.78167°NLon: 111.13833°WElev: 6565.0ft.

NA

43°F

6°C

Humidity 55%
Wind Speed SW 5 MPH
Barometer 29.98 in (1015.24 mb)
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 24 Dec 12:45 PM MST
Extended Forecast for

17 Miles WNW Mount Holmes WY

  • This Afternoon

    This Afternoon: Snow likely, mainly after 5pm. The snow could be heavy at times. Mostly cloudy, with a high near 31. Breezy, with a south southwest wind around 22 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.

    High: 31 °F

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Snow. The snow could be heavy at times. Low around 27. Breezy, with a south wind 22 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.

    Low: 27 °F

    Heavy Snow
    and Breezy

  • Christmas Day

    Christmas Day: Snow. High near 32. South southwest wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

    High: 32 °F

    Snow then
    Snow Likely

  • Thursday Night

    Thursday Night: Snow likely. Mostly cloudy, with a low around 23. Breezy, with a south southwest wind 16 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.

    Low: 23 °F

    Snow Likely
    and Breezy

  • Friday

    Friday: Snow. High near 25. Breezy, with a south southwest wind around 23 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

    High: 25 °F

    Snow and
    Breezy

  • Friday Night

    Friday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 13. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 39 mph. New snow accumulation of less than one inch possible.

    Low: 13 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: A 50 percent chance of snow. Mostly cloudy, with a high near 15. West wind 15 to 21 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.

    High: 15 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 3. West southwest wind 9 to 11 mph, with gusts as high as 20 mph.

    Low: 3 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 14.

    High: 14 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Snow likely, mainly after 5pm. The snow could be heavy at times. Mostly cloudy, with a high near 31. Breezy, with a south southwest wind around 22 mph, with gusts as high as 41 mph. Chance of precipitation is 60%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow. The snow could be heavy at times. Low around 27. Breezy, with a south wind 22 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
Christmas Day
Snow. High near 32. South southwest wind around 18 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.
Thursday Night
Snow likely. Mostly cloudy, with a low around 23. Breezy, with a south southwest wind 16 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 70%. New snow accumulation of 2 to 4 inches possible.
Friday
Snow. High near 25. Breezy, with a south southwest wind around 23 mph, with gusts as high as 38 mph. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13. Breezy, with a southwest wind 22 to 25 mph, with gusts as high as 39 mph. New snow accumulation of less than one inch possible.
Saturday
A 50 percent chance of snow. Mostly cloudy, with a high near 15. West wind 15 to 21 mph, with gusts as high as 33 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 3. West southwest wind 9 to 11 mph, with gusts as high as 20 mph.
Sunday
Partly sunny, with a high near 14.
Sunday Night
Mostly cloudy, with a low around 6.
Monday
Mostly sunny, with a high near 21.
Monday Night
Mostly cloudy, with a low around 11.
Tuesday
Partly sunny, with a high near 24.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Mount Holmes WY
 44.94°N 111.17°W (Elev. 9236 ft)
Last Update:
9:22 am MST Dec 24, 2025
Forecast Valid:
1pm MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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