Crooked Slough Weather Forecast

    • 56
    • 68

    Slight Chance Rain Showers

    • 56
    • 67

    Slight Chance Rain Showers

    • 55
    • 71

    Partly Sunny

    • 61
    • 70

    Rain Showers Likely

    • 60
    • 70

    Rain Showers Likely

    • 54
    • 69

    Chance Rain Showers

    • 52
    • 65

    Slight Chance Rain Showers

Today 26 Sep Grant

Mostly cloudy. Near steady temperature in the upper 60s. Southeast Winds 5 to 10 Mph.

Tonight 26 Sep Grant

Mostly cloudy. A slight chance of Showers after midnight. Lows in the mid 50s. Southeast Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Crooked Slough Temperature Statistics

September Temperature

Dubuque Regional Airport (23.6 miles)

  • Lowest 23 September, 2026

    47.6 °F

  • Average September

    68.4 °F

  • Highest 1 September, 2026

    91.7 °F

Climate (2021–2026)

Dubuque Regional Airport (23.6 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.4 °F
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