Chestnut Mountain Ski Resort Weather Forecast

    • 63
    • 83

    Chance Rain Showers

    • 70
    • 86

    Rain Showers Likely

    • 69
    • 87

    Chance Thunderstorms

    • 66
    • 85

    Chance Thunderstorms

    • 64
    • 83

    Slight Chance Thunderstorms

    • 60
    • 79

    Chance Rain Showers

Today 8 Aug Jo Daviess

Mostly sunny. Highs in the lower 80s. Northwest Winds around 5 Mph.

Tonight 8 Aug Jo Daviess

Clear in the Evening, then partly cloudy with a slight chance of Showers and Thunderstorms after midnight. Lows in the lower 60s. South Winds around 5 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Chestnut Mountain Ski Resort Temperature Statistics

August Temperature

Dubuque Regional Airport (16.8 miles)

  • Lowest 3 August, 2026

    59 °F

  • Average August

    69.9 °F

  • Highest 2 August, 2026

    81 °F

Climate (2021–2026)

Dubuque Regional Airport (16.8 miles)

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  • Average Low 2021–2026

    40.7 °F

  • Average 2021–2026

    50.1 °F

  • Average High 2021–2026

    59.5 °F
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