Crooked Slough Weather Forecast
- 61
- 77
Rain Showers Likely
- 58
- 78
Partly Sunny
- 61
- 78
Chance Thunderstorms
- 62
- 79
Chance Rain Showers
- 58
- 77
Mostly Sunny
- 58
- 76
Partly Sunny
Today 18 Aug Grant
Mostly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Morning, then partly sunny with Showers likely with a chance of Thunderstorms in the afternoon. Humid with Highs in the upper 70s. Southwest Winds 5 to 10 Mph. Chance of rain 70 percent.
Tonight 18 Aug Grant
Partly cloudy. A chance of Showers and Thunderstorms in the evening. Humid with Lows around 60. Light Winds. Chance of rain 40 percent.
Crooked Slough Temperature Statistics
August Temperature
Dubuque Regional Airport (23.6 miles)
Lowest 8 August, 2026
57.9 °FAverage August
71.6 °FHighest 10 August, 2026
84 °F
Climate (2021–2026)
Dubuque Regional Airport (23.6 miles)
Average Low 2021–2026
40.7 °FAverage 2021–2026
50.1 °FAverage High 2021–2026
59.4 °F