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

THOMPSON FALLS A/P (THAM8)

Lat: 47.57591°NLon: 115.28439°WElev: 2426.0ft.

NA

37°F

3°C

Humidity 91%
Wind Speed E 16 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Wind Chill28°F (-2°C)
Last update 24 Dec 07:02 AM MST
Extended Forecast for

Thompson Falls MT

  • Today

    Today: A 50 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 45. Calm wind becoming east around 5 mph in the afternoon.

    High: 45 °F

    Mostly Cloudy
    then Chance
    Rain

  • Tonight

    Tonight: Rain likely, mainly before 9pm. Patchy fog after midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%.

    Low: 31 °F

    Rain Likely
    then Slight
    Chance Rain
    and Patchy
    Fog

  • Christmas Day

    Christmas Day: A 40 percent chance of rain, mainly after 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 45. Calm wind.

    High: 45 °F

    Chance Rain
    and Areas Fog

  • Thursday Night

    Thursday Night: Rain. Low around 32. Light south southwest wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Rain

  • Friday

    Friday: Rain before 5pm, then rain, possibly mixed with snow. Snow level 3700 feet. High near 41. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain then
    Rain/Snow

  • Friday Night

    Friday Night: Rain, possibly mixed with snow, becoming all snow after 8pm. Low around 25. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Rain/Snow
    then Snow
    Likely

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 34.

    High: 34 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 18.

    Low: 18 °F

    Mostly Cloudy

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 35.

    High: 35 °F

    Patchy Fog
    then Mostly
    Cloudy

Detailed Forecast

Today
A 50 percent chance of rain, mainly after 2pm. Mostly cloudy, with a high near 45. Calm wind becoming east around 5 mph in the afternoon.
Tonight
Rain likely, mainly before 9pm. Patchy fog after midnight. Otherwise, cloudy, then gradually becoming partly cloudy, with a low around 31. Calm wind. Chance of precipitation is 60%.
Christmas Day
A 40 percent chance of rain, mainly after 11am. Areas of fog before 11am. Otherwise, mostly cloudy, with a high near 45. Calm wind.
Thursday Night
Rain. Low around 32. Light south southwest wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain before 5pm, then rain, possibly mixed with snow. Snow level 3700 feet. High near 41. Calm wind becoming southwest 5 to 9 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Friday Night
Rain, possibly mixed with snow, becoming all snow after 8pm. Low around 25. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Saturday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 18.
Sunday
Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 35.
Sunday Night
Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 20.
Monday
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Mostly cloudy, with a high near 41.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thompson Falls MT
 47.61°N 115.34°W (Elev. 2703 ft)
Last Update:
1:02 am MST Dec 24, 2025
Forecast Valid:
7am MST Dec 24, 2025-6pm MST Dec 30, 2025
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation