Romy Lake Weather Forecast
- 8
- 40
Snow Likely
- 20
- 28
Chance Snow
- 35
- 45
Chance Rain/Snow
- 38
- 56
Mostly Cloudy
- 40
- 62
Partly Sunny
- 42
- 62
Partly Sunny
- 42
- 65
Partly Sunny
Today 14 Mar Gallatin and Madison County Mountains and Centennial Mountains
Windy. Snow Showers and slight chance of Thunderstorms early in the Afternoon, then chance of snow late in the afternoon. Patchy blowing snow through the day. Snow may be heavy at Times early in the afternoon. Visibility one quarter mile or less at Times. New snow accumulation up to 7 Inches. Total snow accumulation up to 11 Inches. Highs 33 to 43. West Winds 20 to 35 Mph with Gusts to around 75 Mph. Chance of precipitation near 100 percent.
Tonight 14 Mar Gallatin and Madison County Mountains and Centennial Mountains
Windy. Much Colder. Mostly cloudy. Patchy blowing snow in the evening. Chance of snow until early Morning, then slight chance of snow late in the night. Visibility one quarter mile or less at Times in the evening. Lows zero to 8 above. Northwest Winds 15 to 30 Mph with Gusts to around 60 Mph decreasing to 5 to 15 Mph with Gusts to around 40 Mph after midnight. Chance of snow 50 percent.
Romy Lake Temperature Statistics
March Temperature
Ennis - Big Sky Airport (17.4 miles)
Lowest 11 March, 2026
15.8 °FAverage March
37.1 °FHighest 8 March, 2026
57.2 °F
Climate (2021–Present)
Ennis - Big Sky Airport (17.4 miles)
Average Low 2021–2026
32 °FAverage 2021–2026
44.4 °FAverage High 2021–2026
56.4 °F