Split Rock County Park Weather Forecast

    • 76
    • 91

    Slight Chance Thunderstorms

    • 70
    • 92

    Mostly Sunny

    • 65
    • 85

    Mostly Sunny

    • 66
    • 86

    Slight Chance Thunderstorms

    • 67
    • 84

    Chance Thunderstorms

    • 65
    • 80

    Chance Rain Showers

Today 26 Jul Chickasaw

Partly sunny. Hot with Highs around 90. Southwest Winds 5 to 10 Mph. Heat index Values up to 110 this afternoon.

Tonight 26 Jul Chickasaw

Partly cloudy. A slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 70s. South Winds 5 to 10 Mph. Chance of rain 20 percent. Heat index Values up to 110 early in the evening.

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Split Rock County Park Temperature Statistics

July Temperature

Oelwein Municipal Airport (20.5 miles)

  • Lowest 6 July, 2026

    64.4 °F

  • Average July

    74.7 °F

  • Highest 1 July, 2026

    87.8 °F

Climate (2021–2026)

Oelwein Municipal Airport (20.5 miles)

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  • Average Low 2021–2026

    38.6 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    58.1 °F
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