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

39°F

4°C

Humidity 67%
Wind Speed E 9 mph
Barometer 30.00 in (1016.9 mb)
Dewpoint 29°F (-2°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 17 May 2:56 am CDT
Extended Forecast for

3 Miles S Thief River Falls MN

  • Overnight

    Overnight: Mostly clear early, then becoming mostly cloudy, with a steady temperature around 40. East wind around 11 mph.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers, mainly after 2pm. High near 53. East wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 53 °F

    Mostly Cloudy
    then Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 9pm. Low around 41. East northeast wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Showers then
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 51. North wind around 16 mph.

    High: 51 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Showers. Low around 37. North northeast wind 14 to 16 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Showers

  • Tuesday

    Tuesday: A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 47. North wind 15 to 17 mph. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Widespread frost, mainly after 3am. Otherwise, mostly cloudy, with a low around 33. North wind 6 to 11 mph becoming light and variable in the evening.

    Low: 33 °F

    Mostly Cloudy
    then Frost

  • Wednesday

    Wednesday: Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61. Southwest wind 6 to 8 mph.

    High: 61 °F

    Frost then
    Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 41. South southeast wind 8 to 10 mph.

    Low: 41 °F

    Mostly Clear
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Mostly clear early, then becoming mostly cloudy, with a steady temperature around 40. East wind around 11 mph.
Sunday
Showers, mainly after 2pm. High near 53. East wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Showers, mainly before 9pm. Low around 41. East northeast wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Mostly cloudy, with a high near 51. North wind around 16 mph.
Monday Night
Showers. Low around 37. North northeast wind 14 to 16 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
A 40 percent chance of showers, mainly before 1pm. Mostly cloudy, with a high near 47. North wind 15 to 17 mph. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Widespread frost, mainly after 3am. Otherwise, mostly cloudy, with a low around 33. North wind 6 to 11 mph becoming light and variable in the evening.
Wednesday
Widespread frost, mainly before 7am. Otherwise, sunny, with a high near 61. Southwest wind 6 to 8 mph.
Wednesday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 41. South southeast wind 8 to 10 mph.
Thursday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 65. South wind 11 to 16 mph. Chance of precipitation is 40%.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 45. South southeast wind 9 to 11 mph.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 66. South wind 11 to 14 mph.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 47. South southeast wind 10 to 13 mph.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 69. South southeast wind 10 to 14 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Thief River Falls MN
 48.07°N 96.19°W
Last Update:
3:36 am CDT May 17, 2026
Forecast Valid:
3am CDT May 17, 2026-6pm CDT May 23, 2026
 
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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