Gallatin National Forest Weather Forecast
- 34
- 42
Rain Showers
- 33
- 44
Chance Rain Showers
- 37
- 53
Mostly Sunny
- 38
- 56
Partly Sunny
- 38
- 56
Mostly Sunny
- 40
- 58
Mostly Sunny
Today 19 Sep Absaroka/Beartooth Mountains
Scattered rain Showers in the morning. Isolated Thunderstorms late in the Morning, then numerous rain Showers and scattered Thunderstorms in the afternoon. Some Thunderstorms may produce heavy rainfall in the late morning and afternoon. Highs in the upper 50s. Northwest Winds 5 to 10 Mph. Chance of precipitation 60 percent.
Tonight 19 Sep Absaroka/Beartooth Mountains
Rain Showers likely and slight chance of Thunderstorms early in the Evening, then chance of rain Showers in the late evening and overnight. Patchy fog in the late evening and overnight. Areas of fog after 3 am. Some Thunderstorms may produce heavy rainfall early in the evening. Lows in the lower 30s. Northwest Winds 5 to 10 Mph. Chance of precipitation 60 percent.
Gallatin National Forest Temperature Statistics
September Temperature
Livingston, Mission Field Airport (37.3 miles)
Lowest 15 September, 2026
31.6 °FAverage September
60.1 °FHighest 10 September, 2026
86.6 °F
Climate (2021–2026)
Livingston, Mission Field Airport (37.3 miles)
Average Low 2021–2026
34.7 °FAverage 2021–2026
47.5 °FAverage High 2021–2026
60.2 °F