Big Creek State Park Weather Forecast

    • 42
    • 71

    Becoming Sunny

    • 57
    • 73

    Mostly Sunny

    • 51
    • 82

    Mostly Sunny

    • 47
    • 75

    Mostly Sunny

    • 60
    • 78

    Chance Rain Showers

    • 58
    • 86

    Chance Thunderstorms

    • 58
    • 84

    Partly Sunny

Today 10 May Polk

Sunny. Near steady temperature in the upper 60s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 10 May Polk

Partly cloudy. Lows in the lower 40s. North Winds 5 to 10 Mph with Gusts up to 25 Mph, becoming northeast after midnight.

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Big Creek State Park Temperature Statistics

May Temperature

Ankeny Regional Airport (11.8 miles)

  • Lowest 2 May, 2026

    32 °F

  • Average May

    55.3 °F

  • Highest 4 May, 2026

    80.6 °F

Climate (2021–Present)

Ankeny Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    41.3 °F

  • Average 2021–2026

    52.1 °F

  • Average High 2021–2026

    62.3 °F
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