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Pennington County, MN Weather Forecast
Pennington County, MN Weather Forecast Date: 132 AM CDT Mon Sep 07 2026
The area/counties/county of: Pennington, including the city of Thief River Falls.or toggle through each period.
Rest of Tonight... Mostly cloudy with a chance of showers and a slight chance of thunderstorms. Lows in the mid 60s. Temperature steady or slowly rising after midnight. Southeast winds around 10 mph. Chance of rain 40%.
Monday... Cloudy. A slight chance of showers and thunderstorms in the morning, then showers likely and a chance of thunderstorms in the afternoon. Highs 75 to 80. Southeast winds 10 to 20 mph with gusts to around 30 mph. Chance of rain 70%.
Monday Night... Mostly cloudy. Showers likely and a chance of thunderstorms in the evening, then a chance of showers and a slight chance of thunderstorms after midnight. Lows in the mid 60s. Breezy. South winds 15 to 25 mph with gusts to around 35 mph. Chance of rain 60%.
Tuesday... Partly sunny in the morning then clearing. Breezy. Highs in the mid 70s.
Tuesday Night... Mostly clear in the evening, then mostly cloudy. Breezy. Lows in the mid 50s.
Wednesday... Mostly sunny. Highs 65 to 70.
Wednesday Night... Mostly clear. Highs 75 to 80. Lows in the mid 40s.
Thursday... Mostly clear. Highs 75 to 80. Lows in the mid 40s.
Thursday Night... Mostly clear. Lows in the mid 50s.
Friday... Mostly sunny. Highs in the mid 70s.
Friday Night... Partly cloudy. A slight chance of showers. Lows 45 to 50.
Saturday... Partly sunny. Highs 60 to 65.
Saturday Night... Mostly cloudy. A slight chance of showers. Highs 60 to 65. Lows in the mid 40s.
POP = Probability of Precipitation
Pennington County Radar Loop
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