The Summit. 23. °F °C. Cloudy. Wind Chill: 18°F. Wind: 4mph W. 41. in cm. Base Depth. Conditions: Powder. Main Lodge Season Total: Mammoth Mountain
The "Top" (Summit) often remains closed until patrol can verify stability after high winds and heavy snowfall (e.g., 75+ inches in 48 hours) create highly unstable snowpacks. Safety & Real-Time Reporting mammoth ski patrol weather
Mammoth Mountain Ski Patrol manages some of the most complex weather-driven terrain in North America, where conditions can shift from 300 days of annual sunshine to extreme "thunder snow" and blizzard conditions with winds exceeding 100 mph. The Summit
Monitors base-level accumulation and freeze-thaw cycles that impact lower-mountain grooming. particularly regarding safety and terrain access:
Weather dictates daily patrol priorities, particularly regarding safety and terrain access: