Spring Meadow Lake State Park Weather Forecast
- 28
- 48
Chance Snow
- 34
- 56
Rain
- 27
- 45
Rain/Snow
- 24
- 46
Chance Rain/Snow
- 30
- 54
Partly Sunny
- 31
- 58
Mostly Cloudy
Today 31 Mar Helena Valley
Partly sunny. Chance of snow in the late morning and early afternoon. Slight chance of rain and snow late in the afternoon. Highs in the upper 40s. Northeast Winds up to 5 Mph shifting to the east in the afternoon. Chance of precipitation 40 percent.
Tonight 31 Mar Helena Valley
Mostly cloudy. A 20 percent chance of rain in the evening. Lows in the upper 20s. Southeast Winds up to 5 Mph.
Spring Meadow Lake State Park Temperature Statistics
March Temperature
Helena Regional Airport (3.7 miles)
Lowest 15 March, 2026
4.6 °FAverage March
42.3 °FHighest 20 March, 2026
77.6 °F
Climate (2021–Present)
Helena Regional Airport (3.7 miles)
Average Low 2021–2026
36.5 °FAverage 2021–2026
48 °FAverage High 2021–2026
60 °F