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

Butte, Bert Mooney Airport (KBTM)

Lat: 45.95472°NLon: 112.4975°WElev: 5545.0ft.

Partly Cloudy

47°F

8°C

Humidity 58%
Wind Speed SW 11 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill42°F (6°C)
Last update 24 Dec 04:53 PM MST
Extended Forecast for

2 Miles NNW Wise River MT

  • This Afternoon

    This Afternoon: A 30 percent chance of rain. Mostly cloudy, with a high near 45. East southeast wind around 14 mph, with gusts as high as 20 mph.

    High: 45 °F

    Chance Rain

  • Tonight

    Tonight: Rain before 1am, then rain and snow likely. Snow level 8500 feet lowering to 6900 feet after midnight . Low around 31. East southeast wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain then
    Rain/Snow
    Likely

  • Christmas Day

    Christmas Day: A 30 percent chance of rain after 5pm. Snow level rising to 6600 feet in the afternoon. Mostly sunny, with a high near 43. Northwest wind 5 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.

    High: 43 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 28. Southeast wind 8 to 11 mph becoming south southwest after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: Snow likely, mainly before 11am. Partly sunny, with a high near 38. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow Likely
    and Breezy

  • Friday Night

    Friday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 17. New snow accumulation of less than a half inch possible.

    Low: 17 °F

    Chance Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am. Partly sunny, with a high near 26. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 26 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 6.

    Low: 6 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 27.

    High: 27 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of rain. Mostly cloudy, with a high near 45. East southeast wind around 14 mph, with gusts as high as 20 mph.
Tonight
Rain before 1am, then rain and snow likely. Snow level 8500 feet lowering to 6900 feet after midnight . Low around 31. East southeast wind 5 to 10 mph becoming west northwest after midnight. Chance of precipitation is 90%. Little or no snow accumulation expected.
Christmas Day
A 30 percent chance of rain after 5pm. Snow level rising to 6600 feet in the afternoon. Mostly sunny, with a high near 43. Northwest wind 5 to 13 mph becoming southeast in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
A chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 28. Southeast wind 8 to 11 mph becoming south southwest after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Friday
Snow likely, mainly before 11am. Partly sunny, with a high near 38. Breezy, with a southwest wind 8 to 13 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 17. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly before 11am. Partly sunny, with a high near 26. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Sunny, with a high near 27.
Sunday Night
Mostly clear, with a low around 11.
Monday
Mostly sunny, with a high near 36.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 24.
Wednesday
Sunny, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Wise River MT
 45.81°N 112.98°W (Elev. 6138 ft)
Last Update:
1:02 pm MST Dec 24, 2025
Forecast Valid:
5pm MST Dec 24, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation