Rainbow Lake Weather Forecast
- 22
- 30
Snow Likely
- 20
- 35
Snow
- 7
- 23
Snow
- 4
- 14
Snow
- 7
- 15
Snow Likely
- 7
- 17
Chance Snow
Today 15 Feb Butte/Blackfoot Region
Areas of snow. Rain likely early in the Morning, then Areas of rain in the late morning and afternoon. Patchy fog early in the morning. Chance of precipitation 70 percent. Snow level 5000 feet. Little or no new snow accumulation. Highs in the upper 30s to mid 40s. Southwest Winds 15 to 20 Mph with Gusts to around 30 Mph.
Tonight 15 Feb Butte/Blackfoot Region
Mostly cloudy with a slight chance of snow early in the Evening, then mostly cloudy with a slight chance of rain late in the evening. Partly cloudy after midnight. Chance of precipitation 20 percent. Lows in the 20s. South Winds to 15 Mph.
Rainbow Lake Temperature Statistics
February Temperature
Butte, Bert Mooney Airport (42.9 miles)
Lowest 12 February, 2026
14 °FAverage February
34.7 °FHighest 6 February, 2026
60.7 °F
Climate (2021–Present)
Butte, Bert Mooney Airport (42.9 miles)
Average Low 2021–2026
28.3 °FAverage 2021–2026
42.1 °FAverage High 2021–2026
55.5 °F