Crooked Slough Weather Forecast

    • 65
    • 88

    Mostly Sunny

    • 66
    • 84

    Chance Thunderstorms

    • 70
    • 90

    Chance Thunderstorms

    • 61
    • 83

    Mostly Sunny

    • 59
    • 79

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

Today 18 Jul Grant

Mostly sunny. Near steady temperature in the mid 80s. North Winds 5 to 10 Mph.

Tonight 18 Jul Grant

Partly cloudy. Areas of smoke after midnight. Lows in the mid 60s. North Winds 5 to 10 Mph, becoming east after midnight.

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  • Temperature Real-Time

Crooked Slough Temperature Statistics

July Temperature

Dubuque Regional Airport (23.6 miles)

  • Lowest 12 July, 2026

    62.1 °F

  • Average July

    76.8 °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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