Big Creek State Park Weather Forecast

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    • 78

    Rain Showers

    • 58
    • 72

    Rain Showers

    • 64
    • 71

    Rain Showers

    • 63
    • 74

    Rain Showers Likely

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    • 76

    Rain Showers Likely

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    • 76

    Chance Rain Showers

Today 14 Sep Polk

Showers likely with a chance of Thunderstorms. Not as cool with Highs in the upper 70s. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

Tonight 14 Sep Polk

Mostly cloudy. Near steady temperature in the upper 50s. East Winds 5 to 10 Mph.

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  • Temperature Real-Time

Big Creek State Park Temperature Statistics

September Temperature

Ankeny Regional Airport (11.8 miles)

  • Lowest 11 September, 2026

    57.2 °F

  • Average September

    77.6 °F

  • Highest 1 September, 2026

    95 °F

Climate (2021–2026)

Ankeny Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    41.5 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    62.4 °F
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