Chestnut Mountain Ski Resort Weather Forecast

    • 69
    • 80

    Chance Thunderstorms

    • 62
    • 79

    Chance Thunderstorms

    • 68
    • 84

    Slight Chance Thunderstorms

    • 74
    • 89

    Chance Thunderstorms

    • 74
    • 94

    Slight Chance Thunderstorms

    • 71
    • 91

    Chance Rain Showers

    • 71
    • 89

    Chance Thunderstorms

Today 19 Jul Jo Daviess

Partly sunny. Highs around 80. West Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 19 Jul Jo Daviess

Mostly cloudy. A slight chance of Showers and Thunderstorms this evening. A chance of Showers and Thunderstorms after midnight. Humid with Lows in the upper 60s. West Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 40 percent.

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Chestnut Mountain Ski Resort Temperature Statistics

July Temperature

Dubuque Regional Airport (16.8 miles)

  • Lowest 13 July, 2025

    59.6 °F
  • Average July

    74.4 °F
  • Highest 4 July, 2025

    91.7 °F

Climate (2020–Present)

Dubuque Regional Airport (16.8 miles)

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  • Average Low 2020–2025

    40.2 °F
  • Average 2020–2025

    49.6 °F
  • Average High 2020–2025

    58.9 °F
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