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.

Mostly Cloudy

79°F

26°C

Humidity 42%
Wind Speed W 15 mph
Barometer 29.91 in (1012.5 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 1 Sep 3:56 pm CDT
Extended Forecast for

Thief River Falls MN

  • Tonight

    Tonight: Mostly cloudy, with a low around 56. West northwest wind 6 to 11 mph becoming light and variable after midnight.

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79. Light and variable wind becoming north northwest around 6 mph in the morning.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 58. East southeast wind 3 to 8 mph.

    Low: 58 °F

    Mostly Clear

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly sunny, with a high near 83. East southeast wind 9 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Mostly Sunny
    then Showers
    Likely

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 1am. Partly cloudy, with a low around 61. East southeast wind 7 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Friday

    Friday: Mostly sunny, with a high near 85. East southeast wind 7 to 9 mph.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. East southeast wind 9 to 13 mph.

    Low: 66 °F

    Clear then
    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms, then a chance of showers after 1pm. Partly sunny, with a high near 85. East southeast wind around 11 mph. Chance of precipitation is 30%.

    High: 85 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61. North wind 8 to 11 mph. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 56. West northwest wind 6 to 11 mph becoming light and variable after midnight.
Wednesday
Mostly sunny, with a high near 79. Light and variable wind becoming north northwest around 6 mph in the morning.
Wednesday Night
Mostly clear, with a low around 58. East southeast wind 3 to 8 mph.
Thursday
Showers likely and possibly a thunderstorm, mainly after 4pm. Mostly sunny, with a high near 83. East southeast wind 9 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers likely and possibly a thunderstorm before 1am. Partly cloudy, with a low around 61. East southeast wind 7 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
Mostly sunny, with a high near 85. East southeast wind 7 to 9 mph.
Friday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 66. East southeast wind 9 to 13 mph.
Saturday
A slight chance of showers and thunderstorms, then a chance of showers after 1pm. Partly sunny, with a high near 85. East southeast wind around 11 mph. Chance of precipitation is 30%.
Saturday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 61. North wind 8 to 11 mph. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 78. North wind 9 to 14 mph.
Sunday Night
A 20 percent chance of showers. Partly cloudy, with a low around 54. North northeast wind 9 to 13 mph.
Labor Day
A 30 percent chance of showers. Mostly cloudy, with a high near 74. East wind 9 to 14 mph.
Monday Night
Showers likely. Mostly cloudy, with a low around 55. East wind around 14 mph. Chance of precipitation is 60%.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 74. South wind 14 to 17 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Thief River Falls MN
 48.11°N 96.19°W
Last Update:
3:37 pm CDT Sep 1, 2026
Forecast Valid:
4pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation