Upper Seymour Lake Weather Forecast
- 17
- 38
Blizzard
- 23
- 34
Mostly Sunny
- 26
- 40
Mostly Cloudy
- 32
- 42
Chance Snow
- 18
- 41
Chance Snow
- 15
- 28
Slight Chance Snow
Today 21 Mar Butte/Blackfoot Region
Mostly cloudy. A 50 percent chance of Areas of rain in the late morning and early afternoon. Cooler. Highs in the 50s. West Winds to 15 Mph with Gusts to around 30 Mph increasing to 20 to 30 Mph with Gusts to around 50 Mph in the afternoon.
Tonight 21 Mar Butte/Blackfoot Region
Mostly clear. Lows in the 20s to lower 30s. West Winds 15 to 25 Mph with Gusts to around 40 Mph.
Upper Seymour Lake Temperature Statistics
March Temperature
Butte, Bert Mooney Airport (37.3 miles)
Lowest 15 March, 2026
13.6 °FAverage March
36.2 °FHighest 18 March, 2026
66 °F
Climate (2021–Present)
Butte, Bert Mooney Airport (37.3 miles)
Average Low 2021–2026
28.4 °FAverage 2021–2026
42.2 °FAverage High 2021–2026
55.6 °F