Moonlight Basin Weather Forecast

    • 32
    • 41

    Increasing Clouds

    • 30
    • 38

    Blizzard

    • 17
    • 35

    Blizzard

    • 26
    • 32

    Snow

    • 20
    • 35

    Snow Likely

    • 18
    • 26

    Chance Snow

Today 15 Dec Gallatin and Madison County Mountains and Centennial Mountains

Mostly sunny. Highs 33 to 45. South Winds 10 to 20 Mph with Gusts to around 50 Mph.

Tonight 15 Dec Gallatin and Madison County Mountains and Centennial Mountains

Breezy. Partly cloudy in the evening then becoming mostly cloudy. A 20 percent chance of snow. Lows 24 to 34. Southwest Winds 15 to 25 Mph with Gusts to around 55 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Moonlight Basin Temperature Statistics

December Temperature

Ennis - Big Sky Airport (10.6 miles)

  • Lowest 1 December, 2025

    5 °F

  • Average December

    37.3 °F

  • Highest 11 December, 2025

    57.2 °F

Climate (2020–Present)

Ennis - Big Sky Airport (10.6 miles)

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  • Average Low 2020–2025

    31.6 °F

  • Average 2020–2025

    43.9 °F

  • Average High 2020–2025

    55.8 °F
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