Gruis Recreation Area Weather Forecast

    • 66
    • 90

    Mostly Cloudy

    • 66
    • 90

    Chance Thunderstorms

    • 64
    • 87

    Slight Chance Thunderstorms

    • 63
    • 89

    Chance Thunderstorms

    • 60
    • 80

    Chance Thunderstorms

    • 55
    • 75

    Chance Rain Showers

Today 13 Sep Winnebago

Mostly sunny. Highs in the upper 80s. South Winds around 5 Mph.

Tonight 13 Sep Winnebago

Partly cloudy in the Evening, then becoming mostly cloudy. Humid with Lows in the mid 60s. South Winds around 5 Mph.

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Gruis Recreation Area Temperature Statistics

September Temperature

Forest City Municipal Airport (15.5 miles)

  • Lowest 7 September, 2025

    35.6 °F

  • Average September

    58.6 °F

  • Highest 11 September, 2025

    80.6 °F

Climate (2020–Present)

Forest City Municipal Airport (15.5 miles)

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  • Average Low 2020–2025

    36.6 °F

  • Average 2020–2025

    47.1 °F

  • Average High 2020–2025

    57.2 °F
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