Fan Mountain Weather Forecast

    • 6
    • 15

    Chance Snow

    • 11
    • 17

    Chance Snow

    • 16
    • 27

    Partly Sunny

    • 18
    • 30

    Blustery

    • 22
    • 31

    Mostly Cloudy

    • 22
    • 32

    Mostly Cloudy

Today 8 Jan Gallatin and Madison County Mountains and Centennial Mountains

Partly sunny with a 20 percent chance of snow. Near steady temperature around 18. Northwest Winds 10 to 15 Mph with Gusts to around 35 Mph.

Tonight 8 Jan Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. Slight chance of snow in the Evening, then chance of snow after midnight. Lows 3 to 13. West Winds 5 to 15 Mph with Gusts to around 40 Mph. Chance of snow 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Fan Mountain Temperature Statistics

January Temperature

Ennis - Big Sky Airport (6.2 miles)

  • Lowest 1 January, 2026

    23 °F

  • Average January

    39.3 °F

  • Highest 3 January, 2026

    50 °F

Climate (2021–Present)

Ennis - Big Sky Airport (6.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    31.7 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    55.9 °F
Get WillyWeather+ to remove ads