Mammoth Mountain
CA · 11,053 ft summit · MMH
NWS Grade
2025–26 Season Snapshot
Storms This Season
116
storms tracked
Season Snowfall
1360"
calibrated total
Best Storm
71/100
Major
Current Snowpack
20"
Virginia Lakes Ridge
Avg Daily Rate
7.5"/day
storms with data
Season SWE
6.0"
snow water equivalent
NWS Forecast Accuracy
Accuracy analysis not yet available for Mammoth Mountain. Data builds as storms are verified against SNOTEL readings.
Storm History — 2025–26 Season
Apr 13 – Apr 13
NWS Forecast
0.1"
Calibrated
—
Actual (SNOTEL)
Pending
Density: Light
Rate: 0.1"/day
Apr 13 – Apr 13
NWS Forecast
0.2"
Calibrated
—
Actual (SNOTEL)
Pending
Density: Light
Rate: 0.1"/day
Apr 13 – Apr 13
NWS Forecast
0.2"
Calibrated
—
Actual (SNOTEL)
Pending
Density: Light
Rate: 0.2"/day
Show 113 more storms
Apr 13 – Apr 13
Level 1 · 1" calibrated
Apr 13 – Apr 13
Level 1 · 1" calibrated
Apr 13 – Apr 13
Level 1 · 1" calibrated
Apr 13 – Apr 13
Level 1 · 2" calibrated
Apr 13 – Apr 13
Level 1 · 2" calibrated
Apr 13 – Apr 13
Level 1 · 3" calibrated
Apr 13 – Apr 13
Level 1 · 3" calibrated
Apr 13 – Apr 13
Level 1 · 4" calibrated
Apr 13 – Apr 13
Level 1 · 4" calibrated
Apr 13 – Apr 13
Level 1 · 5" calibrated
Apr 12 – Apr 13
Level 1 · 6" calibrated
Apr 12 – Apr 13
Level 2 · 7" calibrated
Apr 12 – Apr 13
Level 2 · 8" calibrated
Apr 12 – Apr 13
Level 2 · 9" calibrated
Apr 12 – Apr 13
Level 2 · 8" calibrated
Apr 12 – Apr 13
Level 2 · 9" calibrated
Apr 12 – Apr 13
Level 2 · 9" calibrated
Apr 12 – Apr 13
Level 2 · 10" calibrated
Apr 12 – Apr 13
Level 2 · 10" calibrated
Apr 12 – Apr 13
Level 2 · 11" calibrated
Apr 12 – Apr 13
Level 2 · 11" calibrated
Apr 12 – Apr 13
Level 2 · 12" calibrated
Apr 12 – Apr 13
Level 2 · 14" calibrated
Apr 12 – Apr 13
Level 3 · 16" calibrated
Apr 12 – Apr 13
Level 3 · 18" calibrated
Apr 12 – Apr 13
Level 3 · 20" calibrated
Apr 12 – Apr 13
Level 2 · 16" calibrated
Apr 12 – Apr 13
Level 2 · 17" calibrated
Apr 12 – Apr 13
Level 2 · 18" calibrated
Apr 12 – Apr 13
Level 2 · 18" calibrated
Apr 12 – Apr 13
Level 2 · 18" calibrated
Apr 12 – Apr 13
Level 2 · 19" calibrated
Apr 12 – Apr 13
Level 2 · 19" calibrated
Apr 12 – Apr 13
Level 2 · 19" calibrated
Apr 11 – Apr 13
Level 2 · 19" calibrated
Apr 11 – Apr 13
Level 2 · 19" calibrated
Apr 11 – Apr 13
Level 2 · 20" calibrated
Apr 11 – Apr 13
Level 2 · 20" calibrated
Apr 11 – Apr 13
Level 2 · 23" calibrated
Apr 11 – Apr 13
Level 2 · 23" calibrated
Apr 11 – Apr 13
Level 2 · 23" calibrated
Apr 11 – Apr 13
Level 2 · 23" calibrated
Apr 11 – Apr 13
Level 2 · 23" calibrated
Apr 11 – Apr 13
Level 2 · 24" calibrated
Apr 11 – Apr 13
Level 2 · 24" calibrated
Apr 11 – Apr 13
Level 2 · 24" calibrated
Apr 11 – Apr 13
Level 2 · 24" calibrated
Apr 11 – Apr 13
Level 2 · 25" calibrated
Apr 11 – Apr 13
Level 2 · 25" calibrated
Apr 11 – Apr 13
Level 2 · 26" calibrated
Apr 11 – Apr 13
Level 2 · 26" calibrated
Apr 11 – Apr 13
Level 2 · 27" calibrated
Apr 10 – Apr 13
Level 2 · 27" calibrated
Apr 10 – Apr 13
Level 2 · 27" calibrated
Apr 10 – Apr 13
Level 2 · 27" calibrated
Apr 10 – Apr 13
Level 2 · 27" calibrated
Apr 10 – Apr 13
Level 3 · 28" calibrated
Apr 10 – Apr 13
Level 3 · 29" calibrated
Apr 2 – Apr 2
Level 1 · 0" calibrated
Apr 2 – Apr 2
Level 1 · 0" calibrated
Apr 2 – Apr 2
Level 1 · 0" calibrated
Apr 2 – Apr 2
Level 1 · 0" calibrated
Apr 2 – Apr 2
Level 1 · 1" calibrated
Apr 2 – Apr 2
Level 1 · 1" calibrated
Apr 2 – Apr 2
Level 1 · 1" calibrated
Apr 2 – Apr 2
Level 1 · 2" calibrated
Apr 2 – Apr 2
Level 1 · 2" calibrated
Apr 2 – Apr 2
Level 1 · 3" calibrated
Apr 2 – Apr 2
Level 1 · 3" calibrated
Apr 2 – Apr 2
Level 1 · 4" calibrated
Apr 2 – Apr 2
Level 1 · 5" calibrated
Apr 2 – Apr 2
Level 1 · 6" calibrated
Apr 2 – Apr 2
Level 1 · 7" calibrated
Apr 2 – Apr 2
Level 1 · 7" calibrated
Apr 2 – Apr 2
Level 1 · 8" calibrated
Apr 2 – Apr 2
Level 1 · 8" calibrated
Apr 1 – Apr 2
Level 1 · 9" calibrated
Apr 1 – Apr 2
Level 2 · 9" calibrated
Apr 1 – Apr 2
Level 2 · 9" calibrated
Apr 1 – Apr 2
Level 2 · 9" calibrated
Apr 1 – Apr 2
Level 2 · 10" calibrated
Apr 1 – Apr 2
Level 2 · 10" calibrated
Apr 1 – Apr 2
Level 2 · 10" calibrated
Apr 1 – Apr 2
Level 2 · 11" calibrated
Apr 1 – Apr 2
Level 2 · 11" calibrated
Apr 1 – Apr 2
Level 2 · 11" calibrated
Apr 1 – Apr 2
Level 2 · 11" calibrated
Apr 1 – Apr 2
Level 2 · 12" calibrated
Apr 1 – Apr 2
Level 2 · 12" calibrated
Apr 1 – Apr 2
Level 2 · 12" calibrated
Apr 1 – Apr 2
Level 2 · 13" calibrated
Apr 1 – Apr 2
Level 2 · 13" calibrated
Apr 1 – Apr 2
Level 2 · 13" calibrated
Apr 1 – Apr 2
Level 1 · 8" calibrated
Apr 1 – Apr 2
Level 1 · 8" calibrated
Apr 1 – Apr 2
Level 1 · 9" calibrated
Apr 1 – Apr 2
Level 1 · 9" calibrated
Apr 1 – Apr 2
Level 1 · 10" calibrated
Apr 1 – Apr 2
Level 1 · 10" calibrated
Apr 1 – Apr 2
Level 1 · 11" calibrated
Mar 31 – Apr 2
Level 1 · 11" calibrated
Mar 31 – Apr 2
Level 1 · 12" calibrated
Mar 31 – Apr 2
Level 1 · 13" calibrated
Mar 31 – Apr 2
Level 1 · 13" calibrated
Mar 31 – Apr 1
Level 1 · 7" calibrated
Mar 31 – Apr 1
Level 2 · 8" calibrated
Mar 31 – Apr 1
Level 2 · 8" calibrated
Mar 31 – Apr 1
Level 2 · 8" calibrated
Mar 31 – Apr 1
Level 2 · 9" calibrated
Mar 31 – Apr 1
Level 2 · 9" calibrated
Mar 31 – Apr 1
Level 2 · 10" calibrated
Mar 31 – Apr 1
Level 2 · 10" calibrated
Mar 31 – Apr 1
Level 2 · 10" calibrated
Local Knowledge
TGR Community IntelStorm Day Strategy
During major storms: Mountain will close for avalanche control operations; expect 1-2+ day closures during significant precipitation events. Road closures on Highway 395 common during 'military snow' conditions. If driving from north (Tahoe region), expect 395 closure - stay in region or wait for late morning opening. Avoid expecting quick opening - avalanche control on complex terrain like Lincoln requires extensive coordinated work. Bring beacon, probe, and shovel if skiing off-piste; resorts have FOMO-driven guests with insufficient avalanche awareness. Respect patrol closures and terrain restrictions - they are managing life-threatening conditions.
Terrain Opening Patterns
Top of Mountain
Opens: Variable - weather dependent
Chapter 5 and Cornice are best skiing off top. Afternoon wind buff develops later in day post-storm
Canyon Lodge Area
Opens: Full opening typically early
Haven't the Foggiest perfect for carving around 11:30am, south-facing slopes soft by afternoon
Powder Stashes
Chapter 5
Top of Mountain
Post-storm best bet, untracked lines available late day
Cornice
Top of Mountain
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Based on 464 community reports · 2019-11-10 → 2026-03-18
Road & Access
US-395 / SR-203 (Mammoth)
OpenNo chain controls are in effect at this time.
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