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

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Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Wind Chill°F (°C)
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Last update
Extended Forecast for

Whitewater MT

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 22. East wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 22 °F

    Mostly Cloudy

  • Tonight

    Tonight: Freezing rain likely, possibly mixed with sleet. Cloudy, with a low around 15. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New ice accumulation of less than a 0.1 of an inch possible. Little or no sleet accumulation expected.

    Low: 15 °F

    Cloudy then
    Wintry Mix
    Likely

  • Christmas Day

    Christmas Day: A slight chance of freezing rain and sleet before 8am, then a chance of freezing rain. Mostly cloudy, with a high near 27. East wind around 5 mph becoming light and variable. Chance of precipitation is 30%. Little or no sleet accumulation expected.

    High: 27 °F

    Chance Wintry
    Mix then
    Slight Chance
    Freezing Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 16. Light south wind.

    Low: 16 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of freezing rain, mainly after 11am. Mostly cloudy, with a high near 32. South southeast wind 3 to 7 mph. Chance of precipitation is 30%.

    High: 32 °F

    Chance
    Freezing Rain

  • Friday Night

    Friday Night: A slight chance of freezing rain before 11pm, then a chance of snow. Mostly cloudy, with a low around 0. South wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 0 °F

    Chance Wintry
    Mix then
    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 14. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 33 mph.

    High: 14 °F

    Blustery.
    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around -14. Northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph.

    Low: -14 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 4. Northwest wind around 6 mph becoming south in the afternoon.

    High: 4 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 22. East wind 10 to 13 mph, with gusts as high as 20 mph.
Tonight
Freezing rain likely, possibly mixed with sleet. Cloudy, with a low around 15. East southeast wind 5 to 10 mph. Chance of precipitation is 60%. New ice accumulation of less than a 0.1 of an inch possible. Little or no sleet accumulation expected.
Christmas Day
A slight chance of freezing rain and sleet before 8am, then a chance of freezing rain. Mostly cloudy, with a high near 27. East wind around 5 mph becoming light and variable. Chance of precipitation is 30%. Little or no sleet accumulation expected.
Thursday Night
Mostly cloudy, with a low around 16. Light south wind.
Friday
A chance of freezing rain, mainly after 11am. Mostly cloudy, with a high near 32. South southeast wind 3 to 7 mph. Chance of precipitation is 30%.
Friday Night
A slight chance of freezing rain before 11pm, then a chance of snow. Mostly cloudy, with a low around 0. South wind 7 to 14 mph becoming northwest after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Saturday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 14. Blustery, with a northwest wind 18 to 24 mph, with gusts as high as 33 mph.
Saturday Night
Mostly clear, with a low around -14. Northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph.
Sunday
Mostly sunny, with a high near 4. Northwest wind around 6 mph becoming south in the afternoon.
Sunday Night
Partly cloudy, with a low around -5. South southeast wind around 5 mph becoming light and variable in the evening.
Monday
Partly sunny, with a high near 26. Southwest wind 5 to 9 mph.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
A chance of flurries with a slight chance of snow. Mostly cloudy, with a high near 32.
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ABOUT THIS FORECAST

 
Point Forecast:
Whitewater MT
 48.76°N 107.64°W (Elev. 2346 ft)
Last Update:
2:54 am MST Dec 24, 2025
Forecast Valid:
12pm MST Dec 24, 2025-6pm MST Dec 30, 2025
 
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