Three Forks Airport Weather Forecast

    • 38
    • 68

    Rain Showers

    • 37
    • 71

    Mostly Sunny

    • 42
    • 81

    Mostly Sunny

    • 45
    • 84

    Mostly Sunny

    • 39
    • 74

    Chance Rain Showers

    • 36
    • 66

    Chance Rain Showers

Today 7 Sep Missouri Headwaters

Windy, cooler. Patchy fog in the morning. Partly sunny with chance of rain Showers and slight chance of Thunderstorms in the Morning, then sunny in the afternoon. Highs in the mid 60s. Southwest Winds 10 to 15 Mph increasing to west 15 to 30 Mph in the afternoon. Chance of precipitation 50 percent.

Tonight 7 Sep Missouri Headwaters

Mostly clear. Lows around 40. West Winds 10 to 15 Mph with Gusts to around 35 Mph shifting to the southwest with Gusts to around 25 Mph after midnight.

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Three Forks Airport Temperature Statistics

September Temperature

Bozeman, Gallatin Field (20.5 miles)

  • Lowest 1 September, 2026

    44.7 °F

  • Average September

    64.2 °F

  • Highest 2 September, 2026

    83.6 °F

Climate (2021–2026)

Bozeman, Gallatin Field (20.5 miles)

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  • Average Low 2021–2026

    31.3 °F

  • Average 2021–2026

    45 °F

  • Average High 2021–2026

    58.6 °F
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