Gallatin National Forest Weather Forecast

    • 34
    • 45

    Rain Showers Likely

    • 35
    • 53

    Mostly Sunny

    • 38
    • 56

    Mostly Sunny

    • 42
    • 59

    Partly Sunny

    • 39
    • 57

    Partly Sunny

    • 38
    • 53

    Slight Chance Thunderstorms

Today 16 Sep Absaroka/Beartooth Mountains

Areas of fog early in the morning. Rain Showers likely in the Morning, then rain Showers likely and scattered Thunderstorms in the afternoon. Highs in the upper 50s. Northwest Winds 5 to 10 Mph in the morning shifting to the northeast in the afternoon. Chance of precipitation 70 percent.

Tonight 16 Sep Absaroka/Beartooth Mountains

Partly cloudy. Chance of rain Showers and isolated Thunderstorms early in the Evening, then slight chance of rain Showers in the late evening and overnight. Areas of fog overnight. Lows in the lower 30s. Northeast Winds 5 to 10 Mph. Chance of precipitation 40 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 6 September, 2025

    33.1 °F
  • Average September

    62.7 °F
  • Highest 3 September, 2025

    91 °F

Climate (2020–Present)

Livingston, Mission Field Airport (37.3 miles)

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  • Average Low 2020–2025

    34.4 °F
  • Average 2020–2025

    47 °F
  • Average High 2020–2025

    59.6 °F
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