Stewart Lake Weather Forecast
- 21
- 29
Snow Likely
- 21
- 26
Snow Likely
- 14
- 24
Chance Snow
- 15
- 18
Chance Snow
- 20
- 22
Chance Snow
- 24
- 32
Mostly Cloudy
Today 5 Jan Butte/Blackfoot Region
Mostly cloudy. Patchy fog early in the morning. Areas of fog late in the morning. A 50 percent chance of Areas of snow in the afternoon. Highs in the 30s. West Winds to 15 Mph with Gusts to around 30 Mph in the afternoon.
Tonight 5 Jan Butte/Blackfoot Region
Mostly cloudy. A 50 percent chance of snow in the evening. Lows 17 to 24. West Winds to 15 Mph.
Stewart Lake Temperature Statistics
January Temperature
Butte, Bert Mooney Airport (44.7 miles)
Lowest 1 January, 2026
17.1 °FAverage January
33.3 °FHighest 2 January, 2026
45 °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