Sunken Grove State Game Management Area Weather Forecast

    • 71
    • 90

    Chance Thunderstorms

    • 67
    • 88

    Chance Thunderstorms

    • 62
    • 83

    Slight Chance Rain Showers

    • 58
    • 81

    Mostly Sunny

    • 60
    • 81

    Mostly Sunny

    • 57
    • 83

    Partly Sunny

Today 17 Aug Pocahontas

Mostly sunny. Humid with Highs around 90. Southeast Winds 5 to 10 Mph. Heat index Values up to 104 this afternoon.

Tonight 17 Aug Pocahontas

Partly cloudy with a slight chance of Showers and Thunderstorms in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Southeast Winds around 10 Mph. Chance of rain 50 percent.

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Sunken Grove State Game Management Area Temperature Statistics

August Temperature

Storm Lake (16.8 miles)

  • Lowest 2 August, 2025

    53.6 °F

  • Average August

    70.2 °F

  • Highest 8 August, 2025

    84.2 °F

Climate (2020–Present)

Storm Lake (16.8 miles)

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  • Average Low 2020–2025

    38.6 °F

  • Average 2020–2025

    48.4 °F

  • Average High 2020–2025

    58.4 °F
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