Sixmile Mountain Weather Forecast

    • 31
    • 39

    Rain/Snow Likely

    • 32
    • 35

    Snow Likely

    • 31
    • 42

    Chance Snow

    • 38
    • 42

    Slight Chance Rain

    • 35
    • 49

    Snow Likely

    • 28
    • 39

    Chance Snow

Today 15 Oct Big Belt

Mostly cloudy. Patchy fog in the morning. Chance of rain and snow in the Morning, then chance of rain in the afternoon. Highs 40 to 45. East Winds up to 5 Mph shifting to the northeast in the afternoon. Chance of precipitation 50 percent.

Tonight 15 Oct Big Belt

Mostly cloudy. Chance of rain in the Evening, then rain and snow likely after midnight. Snow accumulation up to 1 inch. Lows 30 to 35. Northwest Winds up to 10 Mph. Chance of precipitation 70 percent.

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Sixmile Mountain Temperature Statistics

October Temperature

Bozeman, Gallatin Field (28 miles)

  • Lowest 6 October, 2025

    26.1 °F

  • Average October

    49.1 °F

  • Highest 10 October, 2025

    73.9 °F

Climate (2020–Present)

Bozeman, Gallatin Field (28 miles)

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  • Average Low 2020–2025

    30.7 °F

  • Average 2020–2025

    44.2 °F

  • Average High 2020–2025

    57.7 °F
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