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.

Clear

34°F

1°C

Humidity 92%
Wind Speed NW 5 MPH
Barometer 29.74 in (1007.11 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 25 Dec 06:53 AM MST
Extended Forecast for

Butte MT

  • Christmas Day

    Christmas Day: Partly sunny, with a high near 45. Calm wind becoming south southeast 5 to 8 mph in the afternoon.

    High: 45 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of rain and snow before 10pm, then a chance of snow after 2am. Snow level 6100 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 30. South southeast wind 6 to 8 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Slight Chance
    Rain/Snow
    then Chance
    Snow

  • Friday

    Friday: A 30 percent chance of snow. Partly sunny, with a high near 40. Southeast wind 6 to 11 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 40 mph. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Chance Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 20. Southwest wind around 17 mph, with gusts as high as 34 mph. New snow accumulation of less than one inch possible.

    Low: 20 °F

    Chance Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Partly sunny, with a high near 25. West wind 14 to 18 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Chance Snow

  • Saturday Night

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

    Low: 6 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 24.

    High: 24 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 12.

    Low: 12 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

Detailed Forecast

Christmas Day
Partly sunny, with a high near 45. Calm wind becoming south southeast 5 to 8 mph in the afternoon.
Tonight
A slight chance of rain and snow before 10pm, then a chance of snow after 2am. Snow level 6100 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 30. South southeast wind 6 to 8 mph. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 40. Southeast wind 6 to 11 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 40 mph. New snow accumulation of less than a half inch possible.
Friday Night
A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 20. Southwest wind around 17 mph, with gusts as high as 34 mph. New snow accumulation of less than one inch possible.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 25. West wind 14 to 18 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 6.
Sunday
Mostly sunny, with a high near 24.
Sunday Night
Partly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 44.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Butte MT
 46.01°N 112.52°W (Elev. 5522 ft)
Last Update:
1:02 am MST Dec 25, 2025
Forecast Valid:
7am MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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