Twin Lakes Weather Forecast
- 42
- 61
Chance Rain Showers
- 39
- 59
Chance Thunderstorms
- 40
- 55
Rain Showers Likely
- 41
- 60
Chance Rain
- 37
- 56
Chance Rain/Snow
- 33
- 49
Rain Showers Likely
Today 25 May Gallatin and Madison County Mountains and Centennial Mountains
Mostly sunny. Slight chance of rain Showers early in the afternoon. Slight chance of Thunderstorms late in the afternoon. Highs 64 to 76. South Winds 5 to 15 Mph. Gusts up to 25 Mph increasing to 35 Mph in the afternoon. Chance of precipitation 20 percent.
Tonight 25 May Gallatin and Madison County Mountains and Centennial Mountains
Mostly cloudy with a 20 percent chance of Thunderstorms in the Evening, then partly cloudy after midnight. Lows 42 to 50. South Winds 5 to 15 Mph with Gusts to around 30 Mph.
Twin Lakes Temperature Statistics
May Temperature
Ennis - Big Sky Airport (21.7 miles)
Lowest 6 May, 2026
19.4 °FAverage May
49.5 °FHighest 13 May, 2026
84.2 °F
Climate (2021–Present)
Ennis - Big Sky Airport (21.7 miles)
Average Low 2021–2026
32.1 °FAverage 2021–2026
44.6 °FAverage High 2021–2026
56.6 °F