Fan Mountain Weather Forecast

    • 26
    • 37

    Mostly Cloudy

    • 24
    • 35

    Mostly Cloudy

    • 21
    • 32

    Chance Snow

    • 20
    • 32

    Partly Sunny

    • 21
    • 32

    Partly Sunny

    • 21
    • 30

    Chance Snow

Today 17 Nov Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. Slight chance of snow in the Morning, then chance of rain and slight chance of snow in the afternoon. Highs 35 to 45. Southwest Winds up to 10 Mph. Chance of precipitation 50 percent.

Tonight 17 Nov Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. Slight chance of rain and snow in the Evening, then slight chance of snow after midnight. Lows 30 to 35. South Winds up to 10 Mph. Chance of precipitation 20 percent.

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Fan Mountain Temperature Statistics

November Temperature

Ennis - Big Sky Airport (6.2 miles)

  • Lowest 3 November, 2025

    19.4 °F

  • Average November

    46.9 °F

  • Highest 1 November, 2025

    64.4 °F

Climate (2020–Present)

Ennis - Big Sky Airport (6.2 miles)

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  • Average Low 2020–2025

    31.5 °F

  • Average 2020–2025

    43.8 °F

  • Average High 2020–2025

    55.7 °F
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