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

Yellowstone Club - Base Area (YCBAS)

Lat: 45.23924°NLon: 111.41476°WElev: 7200.0ft.

NA

38°F

3°C

Humidity 74%
Wind Speed WSW 3 MPH
Barometer NA
Dewpoint 30°F (-1°C)
Visibility NA
Last update 24 Dec 11:00 AM MST
Extended Forecast for

4 Miles WNW Big Sky MT

  • This Afternoon

    This Afternoon: A slight chance of rain and snow after 3pm. Partly sunny, with a high near 38. South southeast wind around 14 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: Rain and snow, becoming all rain after 5am. Low around 33. Southeast wind 8 to 11 mph becoming south southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 33 °F

    Rain/Snow

  • Christmas Day

    Christmas Day: Rain and snow before 11am, then a chance of snow. High near 38. South southwest wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow
    then Chance
    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 29. South southwest wind around 10 mph, with gusts as high as 26 mph. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Chance Snow

  • Friday

    Friday: Snow. High near 31. Southwest wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

    High: 31 °F

    Snow

  • Friday Night

    Friday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 18. Southwest wind around 11 mph, with gusts as high as 32 mph. New snow accumulation of less than one inch possible.

    Low: 18 °F

    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 20. West wind around 10 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.

    High: 20 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 9. West wind around 6 mph becoming south southwest after midnight.

    Low: 9 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 24.

    High: 24 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A slight chance of rain and snow after 3pm. Partly sunny, with a high near 38. South southeast wind around 14 mph, with gusts as high as 37 mph. Chance of precipitation is 20%.
Tonight
Rain and snow, becoming all rain after 5am. Low around 33. Southeast wind 8 to 11 mph becoming south southwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Christmas Day
Rain and snow before 11am, then a chance of snow. High near 38. South southwest wind 8 to 10 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 29. South southwest wind around 10 mph, with gusts as high as 26 mph. New snow accumulation of less than one inch possible.
Friday
Snow. High near 31. Southwest wind 10 to 14 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.
Friday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 18. Southwest wind around 11 mph, with gusts as high as 32 mph. New snow accumulation of less than one inch possible.
Saturday
A 40 percent chance of snow, mainly before 11am. Partly sunny, with a high near 20. West wind around 10 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 9. West wind around 6 mph becoming south southwest after midnight.
Sunday
Partly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 14.
Monday
Mostly sunny, with a high near 32.
Monday Night
Partly cloudy, with a low around 20.
Tuesday
Partly sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Big Sky MT
 45.29°N 111.41°W (Elev. 7917 ft)
Last Update:
9:22 am MST Dec 24, 2025
Forecast Valid:
12pm MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation