Crooked Slough Weather Forecast

    • 53
    • 74

    Partly Sunny

    • 56
    • 77

    Mostly Sunny

    • 57
    • 78

    Chance Thunderstorms

    • 53
    • 72

    Chance Thunderstorms

    • 53
    • 74

    Partly Sunny

Today 18 Jun Grant

Mostly sunny. A slight chance of Showers and Thunderstorms this afternoon. Highs in the lower 70s. Northwest Winds 10 to 15 Mph. Chance of rain 20 percent.

Tonight 18 Jun Grant

Mostly clear. A chance of Showers with a slight chance of Thunderstorms in the evening. Lows in the lower 50s. Northwest Winds 5 to 10 Mph. Chance of rain 30 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crooked Slough Temperature Statistics

June Temperature

Dubuque Regional Airport (23.6 miles)

  • Lowest 15 June, 2026

    48.9 °F

  • Average June

    70.5 °F

  • Highest 6 June, 2026

    87.1 °F

Climate (2021–2026)

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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