Chestnut Mountain Ski Resort Weather Forecast

    • 43
    • 71

    Becoming Sunny

    • 39
    • 64

    Mostly Sunny

    • 45
    • 65

    Mostly Sunny

    • 46
    • 72

    Slight Chance Thunderstorms

    • 45
    • 68

    Mostly Sunny

    • 53
    • 73

    Partly Sunny

Today 9 May Jo Daviess

Mostly sunny. Highs around 70. West Winds 10 to 15 Mph.

Tonight 9 May Jo Daviess

Mostly clear. Lows in the lower 40s. North Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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Chestnut Mountain Ski Resort Temperature Statistics

May Temperature

Dubuque Regional Airport (16.8 miles)

  • Lowest 2 May, 2026

    32 °F
  • Average May

    50.7 °F
  • Highest 4 May, 2026

    79 °F

Climate (2021–Present)

Dubuque Regional Airport (16.8 miles)

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  • Average Low 2021–2026

    40.6 °F
  • Average 2021–2026

    50 °F
  • Average High 2021–2026

    59.4 °F
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