Crooked Slough Weather Forecast

    • 44
    • 66

    Chance Rain Showers

    • 42
    • 63

    Partly Sunny

    • 45
    • 63

    Chance Rain Showers

    • 48
    • 63

    Rain Showers Likely

    • 53
    • 73

    Slight Chance Thunderstorms

    • 57
    • 79

    Slight Chance Thunderstorms

Today 19 May Grant

Mostly cloudy. A chance of Showers in the morning. Cooler with Highs in the mid 60s. West Winds 10 to 15 Mph, becoming northwest in the afternoon. Chance of rain 40 percent.

Tonight 19 May Grant

Partly cloudy. Much Colder with Lows in the lower 40s. Northwest Winds 10 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crooked Slough Temperature Statistics

May Temperature

Dubuque Regional Airport (23.6 miles)

  • Lowest 2 May, 2026

    32 °F

  • Average May

    55.6 °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

    50.1 °F

  • Average High 2021–2026

    59.4 °F
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