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 >

Hazardous Weather Conditions

Current conditions at

Missoula, Missoula International Airport (KMSO)

Lat: 46.92083°NLon: 114.0925°WElev: 3199.0ft.

Mist

39°F

4°C

Humidity 95%
Wind Speed W 4 MPH
Barometer 29.7 in (1005.76 mb)
Dewpoint 38°F (3°C)
Visibility 2.00 mi
Wind Chill36°F (2°C)
Last update 25 Dec 01:39 PM MST
Extended Forecast for

8 Miles S Bonner MT

Winter Weather Advisory December 26, 05:00am until December 27, 08:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Christmas Day

    Christmas Day: A chance of rain and snow, mainly between 3pm and 5pm. Mostly cloudy, with a high near 36. Southwest wind around 8 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.

    High: 36 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: A chance of snow before 1am, then snow likely after 4am. Mostly cloudy, with a low around 28. South southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Friday

    Friday: Snow likely. Patchy blowing snow after 8am. Mostly cloudy, with a high near 32. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    High: 32 °F

    Snow Likely
    and Patchy
    Blowing Snow

  • Friday Night

    Friday Night: Snow, mainly after 11pm. Patchy blowing snow. Low around 17. Breezy, with a southwest wind 20 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

    Low: 17 °F

    Snow and
    Patchy
    Blowing Snow

  • Saturday

    Saturday: Snow. Areas of blowing snow before 2pm. High near 19. Breezy, with a west wind 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 19 °F

    Snow and
    Areas Blowing
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 17.

    High: 17 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 23.

    High: 23 °F

    Partly Sunny

Detailed Forecast

Christmas Day
A chance of rain and snow, mainly between 3pm and 5pm. Mostly cloudy, with a high near 36. Southwest wind around 8 mph. Chance of precipitation is 30%. Total daytime snow accumulation of less than a half inch possible.
Tonight
A chance of snow before 1am, then snow likely after 4am. Mostly cloudy, with a low around 28. South southwest wind around 11 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday
Snow likely. Patchy blowing snow after 8am. Mostly cloudy, with a high near 32. Breezy, with a south wind 10 to 15 mph increasing to 19 to 24 mph in the morning. Winds could gust as high as 34 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Friday Night
Snow, mainly after 11pm. Patchy blowing snow. Low around 17. Breezy, with a southwest wind 20 to 26 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.
Saturday
Snow. Areas of blowing snow before 2pm. High near 19. Breezy, with a west wind 15 to 25 mph, with gusts as high as 36 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 17.
Sunday Night
Partly cloudy, with a low around 13.
Monday
Partly sunny, with a high near 23.
Monday Night
Mostly cloudy, with a low around 20.
Tuesday
Mostly cloudy, with a high near 29.
Tuesday Night
Mostly cloudy, with a low around 24.
Wednesday
A slight chance of snow. Mostly cloudy, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles S Bonner MT
 46.76°N 113.88°W (Elev. 6102 ft)
Last Update:
1:01 pm MST Dec 25, 2025
Forecast Valid:
1pm MST Dec 25, 2025-6pm MST Dec 31, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation