Simpson Lake Weather Forecast

    • 8
    • 17

    Mostly Cloudy

    • -13
    • 17

    Snow Likely

    • -20
    • -2

    Cold

    • -5
    • 4

    Cold

    • 8
    • 23

    Mostly Cloudy

    • 19
    • 33

    Mostly Cloudy

Today 11 Dec Polk

Increasing Clouds. Highs around 17. North Winds up to 5 Mph shifting to the southeast.

Tonight 11 Dec Polk

Mostly cloudy. A 20 percent chance of snow after midnight. Lows around 7. Southeast Winds up to 5 Mph shifting to the south after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Simpson Lake Temperature Statistics

December Temperature

Rush City Regional Airport (15.5 miles)

  • Lowest 4 December, 2025

    -11 °F

  • Average December

    13.5 °F

  • Highest 5 December, 2025

    25.3 °F

Climate (2020–Present)

Rush City Regional Airport (15.5 miles)

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  • Average Low 2020–2025

    35.8 °F

  • Average 2020–2025

    45.6 °F

  • Average High 2020–2025

    55 °F
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