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

Thief River Falls, Thief River Falls Regional Airport (KTVF)

Lat: 48.07°NLon: 96.18°WElev: 1115ft.

Fair

65°F

18°C

Humidity 70%
Wind Speed Calm
Barometer 30.05 in (1017.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 Aug 8:56 pm CDT
Extended Forecast for

Plummer MN

  • Tonight

    Tonight: Mostly clear, with a low around 52. Calm wind becoming south around 5 mph after midnight.

    Low: 52 °F

    Mostly Clear

  • Monday

    Monday: Scattered showers between 11am and 1pm, then scattered showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South southwest wind 7 to 13 mph becoming west in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Monday Night

    Monday Night: Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 49. North northwest wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 49 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 74. Light northwest wind increasing to 5 to 10 mph in the morning.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46. North northwest wind 5 to 9 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 77. Calm wind becoming west northwest around 6 mph in the afternoon.

    High: 77 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. Light and variable wind becoming south southeast around 6 mph in the evening.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Southwest wind 6 to 11 mph.

    High: 82 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 59. South southwest wind 6 to 9 mph. Chance of precipitation is 30%.

    Low: 59 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 52. Calm wind becoming south around 5 mph after midnight.
Monday
Scattered showers between 11am and 1pm, then scattered showers and thunderstorms after 1pm. Partly sunny, with a high near 79. South southwest wind 7 to 13 mph becoming west in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
Scattered showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 49. North northwest wind 5 to 10 mph becoming light after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Sunny, with a high near 74. Light northwest wind increasing to 5 to 10 mph in the morning.
Tuesday Night
Mostly clear, with a low around 46. North northwest wind 5 to 9 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 77. Calm wind becoming west northwest around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 53. Light and variable wind becoming south southeast around 6 mph in the evening.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 82. Southwest wind 6 to 11 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 59. South southwest wind 6 to 9 mph. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 80. Northwest wind 6 to 14 mph.
Friday Night
Mostly clear, with a low around 54. North northwest wind 6 to 11 mph becoming light north after midnight.
Saturday
Mostly sunny, with a high near 78. North northwest wind 5 to 8 mph.
Saturday Night
Partly cloudy, with a low around 55. North wind 5 to 8 mph becoming southeast after midnight.
Sunday
Partly sunny, with a high near 81. South southeast wind 5 to 10 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Plummer MN
 47.92°N 96.03°W
Last Update:
9:31 pm CDT Aug 16, 2026
Forecast Valid:
9pm CDT Aug 16, 2026-6pm CDT Aug 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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