Resorts › California
Mammoth snow forecast
summit 3,360 m / 11,024 ft · vertical 903 m / 2,963 ft
Tall volcano on California's Eastern Sierra with a 3,369 m (11,053 ft) summit and one of the longest seasons in the West. Sierra storms can drop huge multi-day totals.
7-day snow forecast
National Weather Service, next 7 days: 0 cm (0 in) (forecaster-adjusted, 2,646 m / 8,682 ft grid).
| Day | Summit | Base | High/low |
|---|---|---|---|
| Tue 29 | 0 cm · 0″ | 0 cm · 0″ | 10°/-3°C |
| Wed 30 | 0 cm · 0″ | 0 cm · 0″ | 15°/1°C |
| Thu 1 | 0 cm · 0″ | 0 cm · 0″ | 16°/5°C |
| Fri 2 | 0 cm · 0″ | 0 cm · 0″ | 18°/4°C |
| Sat 3 | 0 cm · 0″ | 0 cm · 0″ | 20°/5°C |
| Sun 4 | 0 cm · 0″ | 0 cm · 0″ | 16°/3°C |
| Mon 5 | 0 cm · 0″ | 0 cm · 0″ | 15°/3°C |
New snow per day; high/low at the summit. Updated 30 Sep 2026, 03:31 UTC; days are local to the resort.
Observed snow
NOAA snowfall analysis: 0 cm (0 in) in 24 h, 0 cm (0 in) in 72 h.
Avalanche danger
No current rating from Eastside Region, Eastern Sierra Avalanche Center.
Read the full avalanche forecast before heading into the backcountry.
From Mammoth
Resorts: © OpenSkiMap / OpenStreetMap contributors (ODbL) · Weather data by Open-Meteo.com (CC BY 4.0) · Forecast: NOAA National Weather Service · Snowfall analysis: NOAA NOHRSC · Avalanche: Eastern Sierra Avalanche Center