Crooked Slough Weather Forecast

    • 54
    • 72

    Rain Showers Likely

    • 54
    • 72

    Mostly Sunny

    • 39
    • 76

    Rain Showers

    • 30
    • 48

    Mostly Sunny

    • 31
    • 51

    Mostly Sunny

    • 49
    • 61

    Mostly Sunny

    • 47
    • 70

    Mostly Sunny

Today 15 Apr Grant

Showers likely with a chance of Thunderstorms. Some Thunderstorms may be severe. Near steady temperature in the upper 60s. Light Winds. Chance of rain 70 percent.

Tonight 15 Apr Grant

Mostly cloudy with a chance of Thunderstorms. Showers likely this Evening, then a chance of Showers after midnight. Patchy fog. Lows in the mid 50s. Northeast Winds around 5 Mph. Chance of rain 70 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

    47.1 °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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