Big Creek State Park Weather Forecast

    • 72
    • 97

    Increasing Clouds

    • 62
    • 86

    Patchy Smoke

    • 60
    • 80

    Partly Sunny

    • 63
    • 80

    Chance Rain Showers

    • 64
    • 82

    Partly Sunny

    • 68
    • 88

    Mostly Sunny

Today 20 Jul Polk

Mostly sunny. Hot with Highs in the mid 90s. Southwest Winds 5 to 10 Mph. Heat index Values up to 109 in the afternoon.

Tonight 20 Jul Polk

Partly cloudy in the Evening, then mostly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph, becoming northwest after midnight. Chance of rain 50 percent. Heat index Values up to 108 early in the evening.

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Big Creek State Park Temperature Statistics

July Temperature

Ankeny Regional Airport (11.8 miles)

  • Lowest 12 July, 2026

    60.8 °F

  • Average July

    78.2 °F

  • Highest 2 July, 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

    62.4 °F
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