Fan Mountain Weather Forecast

    • 15
    • 29

    Blowing Snow

    • 21
    • 32

    Blowing Snow

    • 20
    • 35

    Breezy

    • 22
    • 35

    Mostly Cloudy

    • 19
    • 36

    Partly Sunny

    • 20
    • 37

    Mostly Sunny

Today 25 Feb Gallatin and Madison County Mountains and Centennial Mountains

Breezy. Mostly cloudy with chance of snow early in the Morning, then partly sunny with slight chance of snow late in the morning. Sunny in the afternoon. Patchy blowing snow early in the morning. Patchy blowing snow in the late morning and afternoon. Visibility one quarter mile or less at Times early in the morning. Highs 29 to 39. West Winds 10 to 25 Mph with Gusts to around 55 Mph. Chance of snow 50 percent.

Tonight 25 Feb Gallatin and Madison County Mountains and Centennial Mountains

Colder. Mostly clear. Patchy blowing snow in the evening. Lows 12 to 22. Southwest Winds 10 to 15 Mph. Gusts up to 55 Mph decreasing to 40 Mph after midnight.

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Fan Mountain Temperature Statistics

February Temperature

Ennis - Big Sky Airport (6.2 miles)

  • Lowest 19 February, 2026

    -4 °F

  • Average February

    34.2 °F

  • Highest 5 February, 2026

    64.4 °F

Climate (2021–Present)

Ennis - Big Sky Airport (6.2 miles)

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  • Average Low 2021–2026

    32 °F

  • Average 2021–2026

    44.4 °F

  • Average High 2021–2026

    56.3 °F
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