Gallatin National Forest Weather Forecast
- 38
- 54
Rain Showers
- 36
- 40
Rain Showers
- 36
- 45
Chance Rain Showers
- 39
- 53
Mostly Sunny
- 39
- 55
Partly Sunny
- 39
- 55
Mostly Sunny
- 41
- 58
Partly Sunny
Today 18 Sep Absaroka/Beartooth Mountains
Mostly sunny. Highs in the lower 70s.
Tonight 18 Sep Absaroka/Beartooth Mountains
Rain Showers and chance of Thunderstorms in the Evening, then rain Showers likely 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. Some Thunderstorms may produce heavy rainfall late in the evening. Lows in the upper 30s. Northeast Winds 5 to 10 Mph. Chance of precipitation 90 percent.
Gallatin National Forest Temperature Statistics
September Temperature
Livingston, Mission Field Airport (37.3 miles)
Lowest 15 September, 2026
31.6 °FAverage September
60.4 °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