Fan Mountain Weather Forecast

    • 23
    • 47

    Snow Showers Likely

    • 39
    • 53

    Breezy

    • 28
    • 46

    Rain/Snow

    • 25
    • 41

    Snow Showers Likely

    • 33
    • 52

    Mostly Sunny

    • 31
    • 54

    Slight Chance Thunderstorms

    • 32
    • 48

    Chance Rain/Snow

Today 7 Jun Gallatin and Madison County Mountains and Centennial Mountains

Windy. Partly sunny with chance of rain Showers, snow Showers and slight chance of Thunderstorms. Near steady temperature in the lower 50s. Southwest Winds 15 to 30 Mph with Gusts to around 60 Mph. Chance of precipitation 50 percent.

Tonight 7 Jun Gallatin and Madison County Mountains and Centennial Mountains

Colder. Partly cloudy in the late evening and early morning then becoming mostly cloudy. Lows 25 to 31. Northwest Winds 5 to 10 Mph with Gusts to around 35 Mph shifting to the southwest after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Fan Mountain Temperature Statistics

June Temperature

Ennis - Big Sky Airport (6.2 miles)

  • Lowest 3 June, 2026

    35.6 °F

  • Average June

    56.7 °F

  • Highest 5 June, 2026

    78.8 °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

    44.6 °F

  • Average High 2021–2026

    56.6 °F
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