Crooked Slough Weather Forecast

    • 54
    • 82

    Mostly Sunny

    • 59
    • 83

    Mostly Sunny

    • 56
    • 83

    Partly Sunny

    • 57
    • 81

    Partly Sunny

    • 56
    • 84

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

Today 28 May Grant

Mostly sunny. Highs in the lower 80s. East Winds 5 to 10 Mph.

Tonight 28 May Grant

Partly cloudy. Lows in the lower 50s. East Winds 5 to 10 Mph.

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Crooked Slough Temperature Statistics

May Temperature

Dubuque Regional Airport (23.6 miles)

  • Lowest 2 May, 2026

    32 °F

  • Average May

    58.3 °F

  • Highest 25 May, 2026

    84 °F

Climate (2021–Present)

Dubuque Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    40.6 °F

  • Average 2021–2026

    50 °F

  • Average High 2021–2026

    59.4 °F
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