Echo Lake Weather Forecast

    • 21
    • 26

    Blustery

    • 21
    • 26

    Blizzard

    • 7
    • 25

    Blizzard

    • 19
    • 21

    Snow

    • 12
    • 25

    Snow

    • 9
    • 18

    Chance Snow

Today 15 Dec Gallatin and Madison County Mountains and Centennial Mountains

Mostly sunny in the late morning and early afternoon then becoming mostly cloudy. Highs 34 to 46. Southwest Winds 10 to 20 Mph with Gusts to around 50 Mph.

Tonight 15 Dec Gallatin and Madison County Mountains and Centennial Mountains

Breezy. Mostly cloudy. A 20 percent chance of snow after midnight. Lows 24 to 34. Southwest Winds 10 to 25 Mph with Gusts to around 60 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Echo Lake Temperature Statistics

December Temperature

Ennis - Big Sky Airport (23.6 miles)

  • Lowest 1 December, 2025

    5 °F

  • Average December

    37.8 °F

  • Highest 11 December, 2025

    57.2 °F

Climate (2020–Present)

Ennis - Big Sky Airport (23.6 miles)

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  • Average Low 2020–2025

    31.6 °F

  • Average 2020–2025

    44 °F

  • Average High 2020–2025

    55.8 °F
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