Crooked Slough Weather Forecast

    • 72
    • 91

    Chance Thunderstorms

    • 72
    • 89

    Chance Thunderstorms

    • 70
    • 89

    Chance Rain Showers

    • 68
    • 88

    Chance Thunderstorms

    • 66
    • 85

    Chance Rain Showers

    • 64
    • 82

    Chance Rain Showers

Today 2 Sep Grant

Mostly sunny with a 20 percent chance of Showers. Hot with Highs around 90. Southeast Winds 5 to 10 Mph, becoming southwest this afternoon.

Tonight 2 Sep Grant

Partly cloudy. A chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Light Winds. Chance of rain 40 percent. Heat index Values in the mid 90s early in the evening.

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Crooked Slough Temperature Statistics

September Temperature

Dubuque Regional Airport (23.6 miles)

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Climate (2021–2026)

Dubuque Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.4 °F
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