National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heavy Rainfall to Bring Flooding Threat to California; Heavy Snow in the Sierra

A strong atmospheric river will bring heavy rainfall to California through the holiday week. The heaviest rainfall is expected on Wednesday in the Los Angeles Basin. Flash and urban flooding is possible. A prolonged heavy snowfall is expected in the Sierra Nevada from the atmospheric river, raising concerns for major snow‐load impacts. Travel may be difficult to impossible over the passes. Read More >

Hazardous Weather Conditions

Current conditions at

Missoula, Missoula International Airport (KMSO)

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

Fog

32°F

0°C

Humidity 100%
Wind Speed N 0 MPH
Barometer 29.81 in (1009.48 mb)
Dewpoint 32°F (0°C)
Visibility 0.25 mi
Last update 24 Dec 04:35 AM MST
Extended Forecast for

Lolo MT

Dense Fog Advisory December 24, 04:54am until December 24, 08:00am
Click here for hazard details and duration
...
  •  
    Dense Fog Advisory December 24, 04:54am until December 24, 08:00am

    NOW until 8:00am Wed

    Dense Fog Advisory

  • Today

    High: 46 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly between 8pm and 9pm. Patchy fog after 5am. Otherwise, cloudy, with a low around 32. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 32 °F

    Rain Likely
    and Patchy
    Fog

  • Christmas Day

    Christmas Day: A 30 percent chance of rain, mainly before 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 46. Calm wind becoming south around 5 mph in the afternoon.

    High: 46 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 29. South wind 3 to 5 mph.

    Low: 29 °F

    Chance Rain

  • Friday

    Friday: Rain likely, possibly mixed with snow before 11am, then rain likely between 11am and 5pm, then rain, possibly mixed with snow after 5pm. High near 43. Light south wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow, becoming all snow after 8pm. Low around 25. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Rain/Snow
    then Snow

  • Saturday

    Saturday: A 30 percent chance of snow before 11am. Partly sunny, with a high near 35. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

Detailed Forecast

Today
A 10 percent chance of rain after 5pm. Mostly cloudy, with a high near 46. Calm wind becoming east southeast around 6 mph in the morning.
Tonight
Rain likely, mainly between 8pm and 9pm. Patchy fog after 5am. Otherwise, cloudy, with a low around 32. Southeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Christmas Day
A 30 percent chance of rain, mainly before 11am. Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 46. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A 40 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 29. South wind 3 to 5 mph.
Friday
Rain likely, possibly mixed with snow before 11am, then rain likely between 11am and 5pm, then rain, possibly mixed with snow after 5pm. High near 43. Light south wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow, becoming all snow after 8pm. Low around 25. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
A 30 percent chance of snow before 11am. Partly sunny, with a high near 35. New snow accumulation of less than a half inch possible.
Saturday Night
Mostly cloudy, with a low around 16.
Sunday
Partly sunny, with a high near 35.
Sunday Night
Partly cloudy, with a low around 18.
Monday
Mostly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Lolo MT
 46.76°N 114.1°W (Elev. 3199 ft)
Last Update:
1:02 am MST Dec 24, 2025
Forecast Valid:
4am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation