Ferguson Lake Weather Forecast
- 57
- 75
Chance Thunderstorms
- 56
- 73
Rain Showers Likely
- 57
- 74
Chance Thunderstorms
- 58
- 79
Mostly Sunny
- 56
- 79
Mostly Sunny
- 55
- 78
Mostly Sunny
Today 21 Jul Northwest Beaverhead County
Partly sunny. Patchy smoke through the day. Slight chance of rain Showers late in the morning. Chance of rain Showers and slight chance of Thunderstorms early in the Afternoon, then chance of Thunderstorms late in the afternoon. Highs 73 to 83. Southeast Winds up to 5 Mph shifting to the west in the afternoon. Chance of precipitation 50 percent.
Tonight 21 Jul Northwest Beaverhead County
Mostly cloudy in the evening then becoming partly cloudy. A 20 percent chance of Thunderstorms. Lows 51 to 59. Northwest Winds up to 10 Mph shifting to the southwest after midnight.
Ferguson Lake Temperature Statistics
July Temperature
Butte, Bert Mooney Airport (32.3 miles)
Lowest 2 July, 2026
40.6 °FAverage July
66.6 °FHighest 11 July, 2026
95.6 °F
Climate (2021–2026)
Butte, Bert Mooney Airport (32.3 miles)
Average Low 2021–2026
28.4 °FAverage 2021–2026
42.2 °FAverage High 2021–2026
55.6 °F