Twin Lakes Weather Forecast

    • 14
    • 26

    Chance Snow

    • 19
    • 27

    Mostly Cloudy

    • 22
    • 29

    Blustery

    • 21
    • 32

    Partly Sunny

    • 24
    • 36

    Mostly Cloudy

    • 22
    • 34

    Mostly Cloudy

Today 28 Jan Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. A 50 percent chance of snow in the afternoon. Highs 24 to 34. Southwest Winds 5 to 10 Mph with Gusts to around 30 Mph.

Tonight 28 Jan Gallatin and Madison County Mountains and Centennial Mountains

Mostly cloudy. A 20 percent chance of snow in the evening. Lows 11 to 19. West Winds 5 to 10 Mph with Gusts to around 30 Mph.

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Twin Lakes Temperature Statistics

January Temperature

Ennis - Big Sky Airport (21.7 miles)

  • Lowest 23 January, 2026

    -5.8 °F

  • Average January

    29.1 °F

  • Highest 13 January, 2026

    53.6 °F

Climate (2021–Present)

Ennis - Big Sky Airport (21.7 miles)

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  • Average Low 2021–2026

    31.8 °F

  • Average 2021–2026

    44.1 °F

  • Average High 2021–2026

    56 °F
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