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

Areas of Dangerous Heat and Heavy Rain with Possible Flooding into this Weekend

Hot temperatures and high humidity are forecast to continue across the mid-Mississippi Valley into this weekend with heat advisories in effect. Heavy to excessive rainfall occurring at times through Sunday could bring areas of flooding to parts of the upper Midwest, central Great Lakes, southern New England and Virginia/North Carolina tidewater region. Read More >

Current conditions at

THOMPSON FALLS A/P (THAM8)

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

NA

54°F

12°C

Humidity 92%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 52°F (11°C)
Visibility NA
Last update 18 Sep 01:02 AM MDT
Extended Forecast for

Thompson Falls MT

  • Overnight

    Overnight: Patchy fog after 5am. Otherwise, partly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Patchy Fog

  • Friday

    Friday: Areas of fog before 9am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 80 °F

    Areas Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. Light and variable wind.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Calm wind.

    High: 82 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Patchy fog after 5am. Otherwise, mostly clear, with a low around 47. Calm wind.

    Low: 47 °F

    Partly Cloudy
    then Patchy
    Fog

  • Sunday

    Sunday: Patchy fog before 8am. Otherwise, sunny, with a high near 84.

    High: 84 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 47.

    Low: 47 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 47. Calm wind.
Friday
Areas of fog before 9am. Otherwise, mostly sunny, with a high near 80. Calm wind becoming west northwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 46. Light and variable wind.
Saturday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 82. Calm wind.
Saturday Night
Patchy fog after 5am. Otherwise, mostly clear, with a low around 47. Calm wind.
Sunday
Patchy fog before 8am. Otherwise, sunny, with a high near 84.
Sunday Night
Clear, with a low around 47.
Monday
Sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 48.
Tuesday
Mostly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 46.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thompson Falls MT
 47.59°N 115.34°W (Elev. 2402 ft)
Last Update:
12:21 am MDT Sep 18, 2026
Forecast Valid:
1am MDT Sep 18, 2026-6pm MDT Sep 24, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation