Stewart Lake Weather Forecast
- 13
- 18
Chance Snow
- 19
- 23
Slight Chance Snow
- 23
- 32
Partly Sunny
- 25
- 34
Mostly Cloudy
- 32
- 35
Mostly Cloudy
- 31
- 37
Mostly Cloudy
Today 8 Jan Butte/Blackfoot Region
Mostly cloudy. Slight chance of snow early in the morning. Areas of snow in the afternoon. Chance of snow 40 percent. Highs in the 20s to lower 30s. West Winds 15 to 20 Mph. Gusts up to 35 Mph in the afternoon.
Tonight 8 Jan Butte/Blackfoot Region
Mostly cloudy with a 20 percent chance of snow. Lows 14 to 21. West Winds 15 to 20 Mph with Gusts to around 35 Mph.
Stewart Lake Temperature Statistics
January Temperature
Butte, Bert Mooney Airport (44.7 miles)
Lowest 1 January, 2026
17.1 °FAverage January
34.8 °FHighest 3 January, 2026
48 °F
Climate (2021–Present)
Butte, Bert Mooney Airport (44.7 miles)
Average Low 2021–2026
28.1 °FAverage 2021–2026
41.9 °FAverage High 2021–2026
55.2 °F