Siah Lake Weather Forecast
- 36
- 54
Becoming Sunny
- 41
- 62
Sunny
- 37
- 65
Rain Likely
- 34
- 42
Rain Likely
- 31
- 46
Slight Chance Rain
- 39
- 58
Partly Sunny
- 43
- 65
Partly Sunny
Today 1 May Southern Clearwater Mountains
Mostly sunny. Highs 59 to 74.
Tonight 1 May Southern Clearwater Mountains
Mostly clear. Lows in the mid 30s to upper 40s.
Siah Lake Temperature Statistics
May Temperature
Missoula, Missoula International Airport (31.7 miles)
Lowest
–Average May
–Highest
–
Climate (2020–Present)
Missoula, Missoula International Airport (31.7 miles)
Average Low 2020–2025
35.4 °FAverage 2020–2025
46.8 °FAverage High 2020–2025
58.9 °F