Mystic Lake Weather Forecast

    • 31
    • 44

    Rain/Snow

    • 18
    • 42

    Rain/Snow

    • 29
    • 35

    Snow Likely

    • 20
    • 41

    Snow Likely

    • 18
    • 33

    Chance Snow

    • 25
    • 35

    Chance Snow

Today 16 Dec Gallatin and Madison County Mountains and Centennial Mountains

Partly sunny. A 20 percent chance of snow in the morning. Highs 33 to 45. Southwest Winds 10 to 20 Mph with Gusts to around 50 Mph.

Tonight 16 Dec Gallatin and Madison County Mountains and Centennial Mountains

Windy. Mostly cloudy. A 50 percent chance of snow after midnight. Patchy blowing snow after midnight. Visibility one quarter mile or less at Times after midnight. Lows 24 to 32. Southwest Winds 15 to 30 Mph. Gusts up to 55 Mph increasing to 70 Mph after midnight.

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Mystic Lake Temperature Statistics

December Temperature

Bozeman, Gallatin Field (19.9 miles)

  • Lowest 1 December, 2025

    0 °F

  • Average December

    36.7 °F

  • Highest 10 December, 2025

    61 °F

Climate (2020–Present)

Bozeman, Gallatin Field (19.9 miles)

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  • Average Low 2020–2025

    31 °F

  • Average 2020–2025

    44.5 °F

  • Average High 2020–2025

    57.9 °F
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