Big Arm Weather Forecast
- 38
- 58
Mostly Sunny
- 41
- 60
Mostly Cloudy
- 46
- 67
Partly Sunny
- 36
- 61
Partly Sunny
- 35
- 53
Partly Sunny
- 36
- 53
Partly Sunny
- 38
- 58
Partly Sunny
Today 4 Apr Flathead/Mission Valleys
Mostly sunny. Highs in the 50s to lower 60s. Southwest Winds to 15 Mph.
Tonight 4 Apr Flathead/Mission Valleys
Mostly clear. Lows in the upper 20s to mid 30s.
Big Arm Temperature Statistics
April Temperature
Kalispell, Glacier Park International Airport (34.8 miles)
Lowest 1 April, 2026
28 °FAverage April
39.9 °FHighest 1 April, 2026
54 °F
Climate (2021–Present)
Kalispell, Glacier Park International Airport (34.8 miles)
Average Low 2021–2026
33.4 °FAverage 2021–2026
45.5 °FAverage High 2021–2026
57.1 °F