Gallatin National Forest Weather Forecast

    • 36
    • 50

    Chance Rain Showers

    • 40
    • 57

    Mostly Sunny

    • 38
    • 57

    Partly Sunny

    • 36
    • 47

    Partly Sunny

    • 36
    • 50

    Mostly Cloudy

    • 32
    • 44

    Chance Rain/Snow

Today 23 Sep Absaroka/Beartooth Mountains

Mostly cloudy. Chance of rain Showers in the Morning, then chance of rain Showers and slight chance of Thunderstorms in the afternoon. Highs in the mid 60s. West Winds 5 to 10 Mph. Chance of precipitation 40 percent.

Tonight 23 Sep Absaroka/Beartooth Mountains

Mostly clear. Lows in the lower 30s. West Winds 5 to 10 Mph in the evening becoming light overnight.

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Gallatin National Forest Temperature Statistics

September Temperature

Livingston, Mission Field Airport (37.3 miles)

  • Lowest 15 September, 2026

    31.6 °F

  • Average September

    59.6 °F

  • Highest 10 September, 2026

    86.6 °F

Climate (2021–2026)

Livingston, Mission Field Airport (37.3 miles)

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  • Average Low 2021–2026

    34.7 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    60.2 °F
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