Mount Heinen Weather Forecast
- 30
- 45
Rain/Snow
- 28
- 37
Chance Snow
- 29
- 42
Mostly Sunny
- 34
- 45
Mostly Cloudy
- 38
- 53
Mostly Cloudy
- 32
- 51
Chance Rain
Today 4 Mar Boise Mountains
Patchy fog in the morning. Partly sunny in the Morning, then rain and snow Showers, with a slight chance of Thunderstorms in the afternoon. Chance of precipitation 90 percent. Snow accumulation up to 1 inch. Highs 41 to 53. Temperature falling into the lower 40s in the afternoon.
Tonight 4 Mar Boise Mountains
Snow Showers. Rain Showers. Areas of fog. Chance of precipitation near 100 percent. Snow accumulation up to 1 inch across the lower Elevations, with up to 4 Inches over the Mountains. Lows 20 to 34.
Mount Heinen Temperature Statistics
March Temperature
Boise Air Terminal (19.3 miles)
Lowest 1 March, 2026
41 °FAverage March
46.1 °FHighest 1 March, 2026
54 °F
Climate (2021–Present)
Boise Air Terminal (19.3 miles)
Average Low 2021–2026
44.1 °FAverage 2021–2026
54.9 °FAverage High 2021–2026
66.1 °F