Crooked Slough Weather Forecast

    • 36
    • 78

    Severe Tstms

    • 31
    • 47

    Mostly Sunny

    • 28
    • 49

    Mostly Sunny

    • 47
    • 57

    Partly Sunny

    • 46
    • 73

    Mostly Sunny

    • 55
    • 72

    Partly Sunny

    • 58
    • 76

    Rain Showers Likely

Today 17 Apr Grant

Showers with Thunderstorms likely. Some Thunderstorms may be severe with heavy rainfall. Highs in the upper 70s. Temperature falling to around 70 late. South Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 90 percent.

Tonight 17 Apr Grant

Mostly cloudy. Rain Showers with Thunderstorms likely this Evening, then a slight chance of rain Showers and Thunderstorms after midnight. Some Thunderstorms may be severe with heavy rainfall. Much Colder with Lows in the mid 30s. West Winds 15 to 20 Mph, becoming northwest after midnight. Gusts up to 30 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crooked Slough Temperature Statistics

April Temperature

Dubuque Regional Airport (23.6 miles)

  • Lowest 7 April, 2026

    26.1 °F

  • Average April

    48.1 °F

  • Highest 13 April, 2026

    73.9 °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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