Crooked Slough Weather Forecast

    • 57
    • 80

    Mostly Sunny

    • 54
    • 75

    Mostly Sunny

    • 59
    • 79

    Partly Sunny

    • 61
    • 79

    Mostly Sunny

    • 69
    • 84

    Mostly Sunny

    • 71
    • 91

    Mostly Sunny

    • 66
    • 91

    Slight Chance Thunderstorms

Today 21 Jul Grant

Mostly sunny. Near steady temperature in the upper 70s. Northwest Winds 10 to 15 Mph.

Tonight 21 Jul Grant

Mostly clear. Cooler with Lows in the mid 50s. North Winds 10 to 15 Mph.

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Crooked Slough Temperature Statistics

July Temperature

Dubuque Regional Airport (23.6 miles)

  • Lowest 12 July, 2026

    62.1 °F

  • Average July

    77 °F

  • Highest 14 July, 2026

    91 °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

    59.5 °F
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