Helena National Forest Weather Forecast
- 25
- 41
Mostly Cloudy
- 29
- 45
Chance Snow
- 34
- 49
Rain/Snow Likely
- 27
- 46
Rain Likely
- 23
- 40
Chance Snow
- 27
- 44
Partly Sunny
Today 14 Mar Big Belt
Colder. Mostly cloudy in the Morning, then partly cloudy with a 20 percent chance of snow in the afternoon. Highs 30 to 35. West Winds 5 to 15 Mph. Gusts up to 30 Mph in the afternoon.
Tonight 14 Mar Big Belt
Mostly cloudy. A 20 percent chance of snow after midnight. Lows 20 to 25. West Winds up to 10 Mph.
Helena National Forest Temperature Statistics
March Temperature
Helena Regional Airport (15.5 miles)
Lowest 7 March, 2025
21.8 °FAverage March
40.5 °FHighest 9 March, 2025
62.1 °F
Climate (2020–Present)
Helena Regional Airport (15.5 miles)
Average Low 2020–2025
35.9 °FAverage 2020–2025
47.2 °FAverage High 2020–2025
59 °F