Chestnut Mountain Ski Resort Weather Forecast

    • 26
    • 35

    Areas Freezing Fog

    • 32
    • 38

    Mostly Cloudy

    • 6
    • 39

    Rain Likely

    • 19
    • 28

    Mostly Cloudy

    • 16
    • 39

    Partly Sunny

    • 19
    • 30

    Mostly Cloudy

Today 16 Dec Jo Daviess

Mostly sunny. Not as cool with Highs in the mid 30s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Wind chill Values as low as zero this morning.

Tonight 16 Dec Jo Daviess

Mostly cloudy. Not as cool with Lows in the mid 20s. Southwest Winds 10 to 15 Mph, becoming west 5 to 10 Mph after midnight.

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  • Temperature Real-Time

Chestnut Mountain Ski Resort Temperature Statistics

December Temperature

Dubuque Regional Airport (16.8 miles)

  • Lowest 14 December, 2025

    -7.1 °F

  • Average December

    17 °F

  • Highest 9 December, 2025

    39.9 °F

Climate (2020–Present)

Dubuque Regional Airport (16.8 miles)

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  • Average Low 2020–2025

    40.4 °F

  • Average 2020–2025

    49.8 °F

  • Average High 2020–2025

    59 °F
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