Crooked Slough Weather Forecast

    • 69
    • 85

    Rain Showers Likely

    • 61
    • 81

    Partly Sunny

    • 62
    • 80

    Mostly Sunny

    • 64
    • 80

    Rain Showers Likely

    • 60
    • 77

    Partly Sunny

    • 59
    • 75

    Partly Sunny

Today 15 Aug Grant

Mostly cloudy. A chance of rain with a slight chance of Thunderstorms in the morning. Humid with Highs in the mid 80s. Southeast Winds 5 to 10 Mph, becoming west in the afternoon. Chance of rain 50 percent.

Tonight 15 Aug Grant

Mostly cloudy with a chance of Thunderstorms. Showers likely in the Evening, then a chance of Showers after midnight. Humid with Lows in the upper 60s. Light Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crooked Slough Temperature Statistics

August Temperature

Dubuque Regional Airport (23.6 miles)

  • Lowest 8 August, 2026

    57.9 °F

  • Average August

    71.6 °F

  • Highest 10 August, 2026

    84 °F

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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