Fairgrounds Weather Forecast

    • 15
    • 29

    Chance Wintry Mix

    • 18
    • 26

    Mostly Cloudy

    • 2
    • 31

    Chance Snow

    • -10
    • 8

    Chance Snow

    • -3
    • 7

    Chance Snow

    • -6
    • 22

    Slight Chance Snow

Today 25 Dec Pennington

Mostly cloudy with a slight chance of light freezing rain. A chance of sleet and a slight chance of light snow in the afternoon. Highs 25 to 30. Southeast Winds 15 to 25 Mph. Chance of precipitation 40 percent.

Tonight 25 Dec Pennington

Cloudy. A chance of light freezing rain and sleet in the Evening, then a slight chance of light freezing rain after midnight. Lows 15 to 20. South Winds around 10 Mph and gusty shifting to the west after midnight. Chance of precipitation 50 percent.

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Fairgrounds Temperature Statistics

December Temperature

Thief River Falls, Thief River Falls Regional Airport (3.7 miles)

  • Lowest 14 December, 2025

    -25.1 °F

  • Average December

    7.4 °F

  • Highest 16 December, 2025

    45 °F

Climate (2020–Present)

Thief River Falls, Thief River Falls Regional Airport (3.7 miles)

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  • Average Low 2020–2025

    32.2 °F

  • Average 2020–2025

    41.4 °F

  • Average High 2020–2025

    50.3 °F
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