Crooked Slough Weather Forecast

    • 60
    • 83

    Chance Rain Showers

    • 60
    • 86

    Mostly Sunny

    • 60
    • 87

    Slight Chance Thunderstorms

    • 58
    • 83

    Partly Sunny

    • 57
    • 81

    Partly Sunny

    • 56
    • 79

    Partly Sunny

Today 25 May Grant

Mostly sunny. A slight chance of Showers in the morning. Highs in the lower 80s. Southwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 25 May Grant

Partly cloudy. Lows in the upper 50s. South Winds around 5 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

    57 °F

  • Highest 16 May, 2026

    82 °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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