Big Creek State Park Weather Forecast

    • 66
    • 81

    Increasing Clouds

    • 64
    • 80

    Rain Showers

    • 60
    • 78

    Mostly Cloudy

    • 61
    • 78

    Partly Sunny

    • 63
    • 81

    Slight Chance Thunderstorms

    • 62
    • 79

    Partly Sunny

Today 17 Aug Polk

Sunny with Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 17 Aug Polk

Mostly clear in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Humid with Lows in the mid 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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Big Creek State Park Temperature Statistics

August Temperature

Ankeny Regional Airport (11.8 miles)

  • Lowest 8 August, 2026

    60.8 °F

  • Average August

    74.7 °F

  • Highest 11 August, 2026

    93.2 °F

Climate (2021–2026)

Ankeny Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    41.4 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.3 °F
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