Sunset Peak Weather Forecast

    • 19
    • 22

    Chance Snow

    • 24
    • 26

    Snow Likely

    • 25
    • 30

    Snow

    • 20
    • 31

    Snow Likely

    • 18
    • 25

    Slight Chance Snow

    • 20
    • 27

    Mostly Cloudy

Today 7 Dec Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. Slight chance of snow late in the Morning, then chance of snow in the afternoon. Highs 23 to 33. Southwest Winds 5 to 15 Mph with Gusts to around 35 Mph. Chance of snow 50 percent.

Tonight 7 Dec Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. A 50 percent chance of snow in the evening. Near steady temperature in the mid 20s. Southwest Winds 10 to 20 Mph with Gusts to around 50 Mph.

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Sunset Peak Temperature Statistics

December Temperature

Dillon, Dillon Airport (34.2 miles)

  • Lowest 1 December, 2025

    9 °F

  • Average December

    29.7 °F

  • Highest 5 December, 2025

    41 °F

Climate (2020–Present)

Dillon, Dillon Airport (34.2 miles)

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  • Average Low 2020–2025

    30.9 °F

  • Average 2020–2025

    43.1 °F

  • Average High 2020–2025

    56 °F
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