Harmon Lake State Game Management Area Weather Forecast

    • 62
    • 75

    Rain Showers

    • 66
    • 76

    Rain Showers Likely

    • 65
    • 81

    Chance Thunderstorms

    • 57
    • 77

    Slight Chance Rain Showers

    • 58
    • 77

    Partly Sunny

    • 60
    • 78

    Chance Thunderstorms

Today 13 Aug Winnebago

Mostly cloudy with a slight chance of Thunderstorms. Showers, mainly this morning. Highs in the mid 70s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 13 Aug Winnebago

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the lower 60s. East Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Real-Time

Harmon Lake State Game Management Area Temperature Statistics

August Temperature

Forest City Municipal Airport (16.2 miles)

  • Lowest 6 August, 2026

    50 °F

  • Average August

    68.6 °F

  • Highest 2 August, 2026

    82.4 °F

Climate (2021–2026)

Forest City Municipal Airport (16.2 miles)

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  • Average Low 2021–2026

    36.5 °F

  • Average 2021–2026

    47.1 °F

  • Average High 2021–2026

    57.3 °F
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