Big Salmon Lake Weather Forecast
- 52
- 82
Slight Chance Thunderstorms
- 53
- 75
Partly Sunny
- 45
- 68
Rain Likely
- 44
- 60
Chance Rain
- 50
- 72
Mostly Sunny
- 48
- 73
Partly Sunny
Today 27 Aug West Glacier Region
Mostly cloudy. Patchy smoke in the morning. Slight chance of rain early in the afternoon. Slight chance of Showers and Thunderstorms late in the afternoon. Chance of precipitation 20 percent. Highs in the mid 70s to lower 80s. Southwest Winds to 15 Mph in the afternoon.
Tonight 27 Aug West Glacier Region
Mostly clear. Patchy smoke in the evening. Lows in the upper 40s to mid 50s. Southwest Winds 15 to 20 Mph with Gusts to around 30 Mph.
Big Salmon Lake Temperature Statistics
August Temperature
Missoula, Missoula International Airport (57.2 miles)
Lowest 4 August, 2026
43.6 °FAverage August
69.7 °FHighest 21 August, 2026
97.6 °F
Climate (2021–2026)
Missoula, Missoula International Airport (57.2 miles)
Average Low 2021–2026
36 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
59.8 °F