Hot Springs Weather Forecast
- 45
- 70
Chance Rain
- 45
- 74
Rain Likely
- 45
- 74
Rain
- 43
- 66
Rain Showers Likely
- 42
- 72
Partly Sunny
- 45
- 78
Mostly Sunny
- 48
- 80
Partly Sunny
Today 4 Sep Flathead/Mission Valleys
Mostly cloudy. Areas of rain early in the morning. Slight chance of rain early in the afternoon. Patchy fog early in the morning. Chance of rain 50 percent. Highs in the 60s.
Tonight 4 Sep Flathead/Mission Valleys
Partly cloudy early in the Evening, then mostly cloudy with a slight chance of rain late in the evening. Mostly cloudy after Midnight, then cloudy with a slight chance of rain late in the night. Patchy fog late in the night. Chance of rain 20 percent. Lows in the 40s.
Hot Springs Temperature Statistics
September Temperature
Mullan Pass, Mullan Pass Vor (47.8 miles)
Lowest 2 September, 2026
42.1 °FAverage September
53.3 °FHighest 1 September, 2026
71.1 °F
Climate (2021–2026)
Mullan Pass, Mullan Pass Vor (47.8 miles)
Average Low 2021–2026
33.8 °FAverage 2021–2026
39.8 °FAverage High 2021–2026
46.1 °F