Oak Grove State Park Weather Forecast

    • 72
    • 88

    Decreasing Clouds

    • 69
    • 91

    Partly Sunny

    • 62
    • 83

    Slight Chance Thunderstorms

    • 61
    • 83

    Chance Thunderstorms

    • 61
    • 83

    Slight Chance Thunderstorms

    • 64
    • 85

    Slight Chance Thunderstorms

Today 7 Aug Sioux

Mostly sunny. Highs in the upper 80s. Southeast Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values in the upper 90s this afternoon.

Tonight 7 Aug Sioux

Partly cloudy. Humid with Lows in the lower 70s. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Heat index Values in the upper 90s early in the evening.

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Oak Grove State Park Temperature Statistics

August Temperature

Le Mars Municipal Airport (23.6 miles)

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  • Average August

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Climate (2020–Present)

Le Mars Municipal Airport (23.6 miles)

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  • Average Low 2020–2025

    37.4 °F

  • Average 2020–2025

    48.6 °F

  • Average High 2020–2025

    59.7 °F
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