Sixmile Mountain Weather Forecast

    • 22
    • 27

    Increasing Clouds

    • 15
    • 24

    Chance Snow

    • 16
    • 20

    Partly Sunny

    • 9
    • 23

    Mostly Cloudy

    • 11
    • 18

    Partly Sunny

    • 17
    • 22

    Partly Sunny

Today 19 Jan Big Belt

Sunny. Highs 27 to 35. West Winds 5 to 15 Mph with Gusts to around 50 Mph.

Tonight 19 Jan Big Belt

Partly cloudy. Lows in the lower 20s. Southwest Winds 5 to 15 Mph with Gusts to around 55 Mph.

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Sixmile Mountain Temperature Statistics

January Temperature

Bozeman, Gallatin Field (28 miles)

  • Lowest 16 January, 2026

    14 °F

  • Average January

    35.2 °F

  • Highest 12 January, 2026

    57 °F

Climate (2021–Present)

Bozeman, Gallatin Field (28 miles)

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  • Average Low 2021–2026

    31.1 °F

  • Average 2021–2026

    44.6 °F

  • Average High 2021–2026

    58 °F
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