Peterson Lake Weather Forecast
- 20
- 36
Blizzard
- 25
- 36
Mostly Sunny
- 30
- 43
Mostly Cloudy
- 31
- 41
Rain/Snow Likely
- 22
- 39
Snow Likely
- 19
- 33
Slight Chance Snow
Today 21 Mar Bitterroot/Sapphire Mountains
Rain likely and Areas of snow. Chance of precipitation near 100 percent. Cooler. No snow accumulation. Highs in the mid 40s to lower 50s. West Winds 15 to 20 Mph. Gusts up to 40 Mph in the afternoon.
Tonight 21 Mar Bitterroot/Sapphire Mountains
Mostly clear. Lows in the 20s to lower 30s. West Winds 15 to 20 Mph with Gusts to around 40 Mph.
Peterson Lake Temperature Statistics
March Temperature
Missoula, Missoula International Airport (20.5 miles)
Lowest 15 March, 2026
17.7 °FAverage March
38.7 °FHighest 19 March, 2026
68 °F
Climate (2021–Present)
Missoula, Missoula International Airport (20.5 miles)
Average Low 2021–2026
36 °FAverage 2021–2026
47.6 °FAverage High 2021–2026
59.7 °F