Three Forks Weather Forecast

    • 46
    • 84

    Decreasing Clouds

    • 45
    • 82

    Partly Sunny

    • 45
    • 80

    Chance Rain Showers

    • 45
    • 76

    Chance Rain Showers

    • 45
    • 75

    Chance Thunderstorms

    • 42
    • 71

    Rain Showers Likely

    • 41
    • 72

    Chance Rain Showers

Today 7 Sep Missouri Headwaters

Partly cloudy. Slight chance of rain Showers in the Morning, then slight chance of Thunderstorms in the afternoon. Areas of smoke through the day. Haze in the afternoon. Highs 80 to 85. West Winds 5 to 15 Mph. Chance of precipitation 20 percent.

Tonight 7 Sep Missouri Headwaters

Cooler. Mostly cloudy with a 20 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 45 to 50. West Winds up to 10 Mph.

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Three Forks Temperature Statistics

September Temperature

Bozeman, Gallatin Field (19.9 miles)

  • Lowest 5 September, 2025

    44.1 °F

  • Average September

    64.8 °F

  • Highest 2 September, 2025

    89.1 °F

Climate (2020–Present)

Bozeman, Gallatin Field (19.9 miles)

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  • Average Low 2020–2025

    30.6 °F

  • Average 2020–2025

    44.2 °F

  • Average High 2020–2025

    57.7 °F
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