Big Creek State Park Weather Forecast

    • 64
    • 89

    Chance Thunderstorms

    • 63
    • 87

    Chance Thunderstorms

    • 62
    • 85

    Rain Showers Likely

    • 60
    • 78

    Chance Thunderstorms

    • 61
    • 79

    Chance Thunderstorms

    • 62
    • 82

    Slight Chance Thunderstorms

Today 16 Sep Polk

Partly sunny with a chance of Showers and Thunderstorms. Highs in the upper 80s. Southeast Winds around 5 Mph. Chance of rain 30 percent.

Tonight 16 Sep Polk

Mostly cloudy in the Evening, then becoming partly cloudy. A slight chance of Showers and Thunderstorms. Humid with Lows in the mid 60s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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Big Creek State Park Temperature Statistics

September Temperature

Ankeny Regional Airport (11.8 miles)

  • Lowest 7 September, 2025

    39.2 °F

  • Average September

    66.5 °F

  • Highest 13 September, 2025

    96.8 °F

Climate (2020–Present)

Ankeny Regional Airport (11.8 miles)

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  • Average Low 2020–2025

    41 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    61.7 °F
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