Simpson Lake Weather Forecast

    • -22
    • 2

    Cold

    • -2
    • 10

    Mostly Cloudy

    • -6
    • 7

    Cold

    • -8
    • 7

    Cold

    • -8
    • 8

    Cold

    • -4
    • 12

    Mostly Sunny

    • 11
    • 19

    Partly Sunny

Today 25 Jan Polk

Sunny. Near steady temperature near zero. Northwest Winds 5 to 10 Mph.

Tonight 25 Jan Polk

Mostly clear. Lows around 22 below. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Simpson Lake Temperature Statistics

January Temperature

Rush City Regional Airport (15.5 miles)

  • Lowest 23 January, 2026

    -24.9 °F

  • Average January

    15.2 °F

  • Highest 12 January, 2026

    43 °F

Climate (2021–Present)

Rush City Regional Airport (15.5 miles)

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  • Average Low 2021–2026

    35.7 °F

  • Average 2021–2026

    45.5 °F

  • Average High 2021–2026

    54.9 °F
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