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

Missoula, Missoula International Airport (KMSO)

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

Mist

39°F

4°C

Humidity 95%
Wind Speed N 0 MPH
Barometer 29.72 in (1006.44 mb)
Dewpoint 38°F (3°C)
Visibility 2.00 mi
Last update 25 Dec 11:53 AM MST
Extended Forecast for

4 Miles SW Missoula MT

Dense Fog Advisory until December 25, 01:00pm
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory until December 25, 01:00pm

    NOW until 1:00pm Thu

    Dense Fog Advisory

  • Christmas Day

    High: 46 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A 50 percent chance of rain, mainly before midnight.  Partly cloudy, then becoming cloudy toward daybreak, with a low around 31. South wind around 5 mph becoming calm  after midnight.

    Low: 31 °F

    Chance Rain
    then Slight
    Chance Rain

  • Friday

    Friday: Snow, possibly mixed with rain.  High near 43. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 28 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain and snow likely before 8pm, then snow.  Low around 25. Southwest wind 9 to 15 mph, with gusts as high as 39 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow
    then Snow

  • Saturday

    Saturday: Snow likely, mainly before 11am.  Mostly cloudy, with a high near 32. West wind 8 to 13 mph, with gusts as high as 23 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 32 °F

    Snow Likely
    then Chance
    Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 11.

    Low: 11 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 29.

    High: 29 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 15.

    Low: 15 °F

    Mostly Cloudy

Detailed Forecast

Christmas Day
A 20 percent chance of rain after 3pm. Partly sunny, with a high near 46. South southeast wind 3 to 5 mph.
Tonight
A 50 percent chance of rain, mainly before midnight. Partly cloudy, then becoming cloudy toward daybreak, with a low around 31. South wind around 5 mph becoming calm after midnight.
Friday
Snow, possibly mixed with rain. High near 43. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow likely before 8pm, then snow. Low around 25. Southwest wind 9 to 15 mph, with gusts as high as 39 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Saturday
Snow likely, mainly before 11am. Mostly cloudy, with a high near 32. West wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
Partly cloudy, with a low around 11.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 34.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
Mostly cloudy, with a high near 40.
Tuesday Night
Mostly cloudy, with a low around 26.
Wednesday
Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SW Missoula MT
 46.82°N 114.05°W (Elev. 3343 ft)
1:02 am MST Dec 25, 2025
12pm MST Dec 25, 2025-6pm MST Dec 31, 2025
 
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Additional Resources

Radar & Satellite Image

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