Fan Mountain Weather Forecast

    • 26
    • 44

    Mostly Cloudy

    • 29
    • 45

    Mostly Sunny

    • 36
    • 53

    Slight Chance Rain/Snow

    • 32
    • 50

    Snow Likely

    • 27
    • 43

    Snow Showers

    • 25
    • 36

    Snow

    • 25
    • 38

    Chance Snow

Today 8 Apr Gallatin and Madison County Mountains and Centennial Mountains

Mostly sunny. Highs 45 to 55. West Winds 5 to 15 Mph with Gusts to around 30 Mph.

Tonight 8 Apr Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy in the late evening and early morning then becoming partly cloudy. Lows 28 to 34. West Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fan Mountain Temperature Statistics

April Temperature

Ennis - Big Sky Airport (6.2 miles)

  • Lowest 4 April, 2026

    26.6 °F

  • Average April

    39.8 °F

  • Highest 6 April, 2026

    64.4 °F

Climate (2021–Present)

Ennis - Big Sky Airport (6.2 miles)

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  • Average Low 2021–2026

    32.1 °F

  • Average 2021–2026

    44.5 °F

  • Average High 2021–2026

    56.5 °F
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