Crooked Slough Weather Forecast

    • 33
    • 41

    Areas Fog

    • 40
    • 46

    Mostly Cloudy

    • 10
    • 46

    Rain/Snow Likely

    • 9
    • 21

    Partly Sunny

    • 15
    • 30

    Mostly Cloudy

    • 7
    • 24

    Mostly Cloudy

Today 26 Dec Grant

Cloudy. Highs in the lower 40s. Northwest Winds 5 to 10 Mph.

Tonight 26 Dec Grant

Mostly cloudy. Areas of fog. Lows in the lower 30s. Northwest Winds around 5 Mph, becoming southeast after midnight.

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Crooked Slough Temperature Statistics

December Temperature

Dubuque Regional Airport (23.6 miles)

  • Lowest 14 December, 2025

    -7.1 °F

  • Average December

    21.3 °F

  • Highest 23 December, 2025

    46 °F

Climate (2020–Present)

Dubuque Regional Airport (23.6 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    59.1 °F
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