Crooked Slough Weather Forecast

    • 66
    • 69

    Rain Showers

    • 56
    • 75

    Rain Showers Likely

    • 61
    • 69

    Rain Showers

    • 61
    • 76

    Chance Rain Showers

    • 62
    • 77

    Chance Rain Showers

    • 58
    • 75

    Slight Chance Rain Showers

Today 14 Sep Grant

Cloudy. Scattered Showers this afternoon. Highs in the upper 60s. Southeast Winds 10 to 20 Mph. Gusts up to 30 Mph this afternoon. Chance of rain 50 percent.

Tonight 14 Sep Grant

Scattered Thunderstorms. Scattered Showers in the Evening, then Showers after midnight. Locally heavy rainfall possible after midnight. Not as cool with Lows in the mid 60s. South Winds 10 to 20 Mph with Gusts up to 35 Mph. Chance of rain 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crooked Slough Temperature Statistics

September Temperature

Dubuque Regional Airport (23.6 miles)

  • Lowest 11 September, 2026

    56.6 °F

  • Average September

    75 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Dubuque Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.5 °F
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