Flathead Lake Weather Forecast
- 38
- 47
Increasing Clouds
- 40
- 46
Chance Rain
- 44
- 49
Slight Chance Rain
- 44
- 54
Mostly Cloudy
- 43
- 55
Slight Chance Rain
- 43
- 51
Mostly Cloudy
- 44
- 53
Chance Rain
Today 4 Nov Flathead/Mission Valleys
Partly cloudy until late afternoon then clearing. Highs in the 40s.
Tonight 4 Nov Flathead/Mission Valleys
Mostly clear until early morning then becoming mostly cloudy. Lows in the 20s to lower 30s.
Flathead Lake Temperature Statistics
November Temperature
Kalispell, Glacier Park International Airport (30.4 miles)
Lowest 2 November, 2026
26.1 °FAverage November
38.2 °FHighest 2 November, 2026
45 °F
Climate (2021–2026)
Kalispell, Glacier Park International Airport (30.4 miles)
Average Low 2021–2026
33.4 °FAverage 2021–2026
45.4 °FAverage High 2021–2026
57 °F