Crooked Slough Weather Forecast

    • 53
    • 68

    Rain Showers

    • 54
    • 76

    Partly Sunny

    • 59
    • 77

    Rain Showers Likely

    • 56
    • 77

    Chance Thunderstorms

    • 55
    • 76

    Partly Sunny

    • 59
    • 79

    Chance Thunderstorms

Today 21 Jun Grant

Cloudy. A chance of Showers this Morning, then Showers likely this afternoon. Highs in the upper 60s. East Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 21 Jun Grant

Mostly cloudy. A chance of Showers in the evening. Lows in the lower 50s. East Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 50 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

    69.2 °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 °F

  • Average High 2021–2026

    59.4 °F
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