Turkey Island Weather Forecast

    • 71
    • 88

    Rain Showers Likely

    • 64
    • 85

    Chance Thunderstorms

    • 65
    • 83

    Partly Sunny

    • 68
    • 86

    Chance Rain Showers

    • 61
    • 81

    Slight Chance Thunderstorms

    • 61
    • 78

    Mostly Cloudy

Today 15 Aug Wapello

Patchy fog this morning. Mostly cloudy with Showers likely with a chance of Thunderstorms this Morning, then partly sunny this afternoon. Some Thunderstorms may produce heavy rainfall this morning. Highs in the upper 80s. South Winds around 5 Mph, becoming west around 5 Mph this afternoon. Chance of rain 70 percent. Heat index Values up to 106 this afternoon.

Tonight 15 Aug Wapello

Mostly cloudy with a chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. West Winds around 5 Mph. Chance of rain 50 percent. Heat index Values up to 105 early in the evening.

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Turkey Island Temperature Statistics

August Temperature

Ottumwa Regional Airport (5 miles)

  • Lowest 3 August, 2026

    58.6 °F

  • Average August

    75.8 °F

  • Highest 11 August, 2026

    90.6 °F

Climate (2021–2026)

Ottumwa Regional Airport (5 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    63.5 °F
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