Gallatin National Forest Weather Forecast

    • 42
    • 57

    Chance Thunderstorms

    • 37
    • 54

    Rain Showers

    • 35
    • 45

    Rain Showers

    • 37
    • 51

    Mostly Sunny

    • 38
    • 57

    Mostly Sunny

    • 38
    • 57

    Mostly Sunny

Today 17 Sep Absaroka/Beartooth Mountains

Chance of rain Showers late in the Morning, then rain Showers likely and scattered Thunderstorms in the afternoon. Highs in the mid 60s. South Winds 5 to 10 Mph. Chance of precipitation 70 percent.

Tonight 17 Sep Absaroka/Beartooth Mountains

Decreasing Clouds. Slight chance of rain Showers early in the evening. Slight chance of rain Showers after 3 am. Patchy fog overnight. Lows around 40. Southeast Winds 5 to 10 Mph in the evening shifting to the southwest overnight. Chance of precipitation 20 percent.

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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 15 September, 2026

    33.1 °F

  • Average September

    60.9 °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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