Big Creek Lake Weather Forecast

    • 73
    • 92

    Partly Sunny

    • 68
    • 88

    Thunderstorms Likely

    • 66
    • 85

    Rain Showers Likely

    • 65
    • 83

    Chance Thunderstorms

    • 66
    • 85

    Slight Chance Thunderstorms

    • 68
    • 86

    Slight Chance Thunderstorms

Today 8 Aug Polk

Sunny with Highs in the lower 90s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Heat index Values up to 106 in the afternoon.

Tonight 8 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 70s. South Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent. Heat index Values up to 104 early in the evening.

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Big Creek Lake Temperature Statistics

August Temperature

Ankeny Regional Airport (12.4 miles)

  • Lowest 3 August, 2025

    55.4 °F

  • Average August

    67.9 °F

  • Highest 5 August, 2025

    82.4 °F

Climate (2020–Present)

Ankeny Regional Airport (12.4 miles)

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  • Average Low 2020–2025

    40.9 °F

  • Average 2020–2025

    51.6 °F

  • Average High 2020–2025

    61.7 °F
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