Iowa Lake State Game Management Area Weather Forecast

    • 29
    • 37

    Increasing Clouds

    • 28
    • 42

    Partly Sunny

    • 27
    • 36

    Mostly Cloudy

    • 32
    • 43

    Cloudy

    • 22
    • 47

    Mostly Cloudy

    • 25
    • 35

    Mostly Cloudy

Today 21 Dec Osceola

Sunny. Highs in the mid 30s. South Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 21 Dec Osceola

Mostly cloudy and not as cool. Near steady temperature around 30. South Winds around 15 Mph.

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Iowa Lake State Game Management Area Temperature Statistics

December Temperature

Worthington, Worthington Municipal Airport (11.8 miles)

  • Lowest 14 December, 2025

    -9.9 °F

  • Average December

    17.4 °F

  • Highest 16 December, 2025

    42.1 °F

Climate (2020–Present)

Worthington, Worthington Municipal Airport (11.8 miles)

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  • Average Low 2020–2025

    37.1 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    57.1 °F
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