Big Sky Weather Forecast

    • 11
    • 21

    Increasing Clouds

    • 9
    • 23

    Partly Sunny

    • 17
    • 26

    Snow

    • 12
    • 25

    Snow Likely

    • 12
    • 24

    Partly Sunny

    • 19
    • 26

    Chance Snow

Today 29 Nov Gallatin and Madison County Mountains and Centennial Mountains

Mostly sunny. Highs 16 to 24. Southwest Winds up to 10 Mph.

Tonight 29 Nov Gallatin and Madison County Mountains and Centennial Mountains

Not as cold. Mostly cloudy. Near steady temperature around 13. Southeast Winds up to 10 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Big Sky Temperature Statistics

November Temperature

Ennis - Big Sky Airport (13.7 miles)

  • Lowest 25 November, 2025

    14 °F

  • Average November

    43.1 °F

  • Highest 1 November, 2025

    64.4 °F

Climate (2020–Present)

Ennis - Big Sky Airport (13.7 miles)

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  • Average Low 2020–2025

    31.5 °F

  • Average 2020–2025

    43.9 °F

  • Average High 2020–2025

    55.8 °F
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