Gallatin National Forest Weather Forecast

    • 34
    • 52

    Slight Chance Thunderstorms

    • 37
    • 55

    Chance Rain Showers

    • 28
    • 47

    Chance Rain/Snow

    • 29
    • 43

    Partly Sunny

    • 33
    • 49

    Partly Sunny

    • 33
    • 47

    Mostly Sunny

Today 11 Sep Absaroka/Beartooth Mountains

Increasing Clouds. Slight chance of Showers and Thunderstorms early in the afternoon. Chance of rain Showers and slight chance of Thunderstorms late in the afternoon. Highs in the mid 60s. West Winds 10 to 20 Mph. Chance of precipitation 30 percent.

Tonight 11 Sep Absaroka/Beartooth Mountains

Mostly cloudy. A 20 percent chance of Showers and Thunderstorms early in the evening. Lows around 30. Northeast Winds 5 to 15 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gallatin National Forest Temperature Statistics

September Temperature

Livingston, Mission Field Airport (37.3 miles)

  • Lowest 9 September, 2026

    39.9 °F

  • Average September

    62.8 °F

  • Highest 4 September, 2026

    85.6 °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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