Mammoth Mountain

California · USA

Mammoth Mountain is a ski resort in California, USA. It averages around 990 cm of snow a season on a Maritime, high-elevation snowpack. The season typically runs Nov-Jun/Jul.

One of the longest seasons in the US lower-48 thanks to elevation

17
Lean
10-day outlook

10-day forecast

5 cm total · best window Tuesday, Oct 20 (1d, 5cm)

Mon
00-2° · 27kFL 2.9k
Tue
000° · 32kFL 3.1k
Wed
0010° · 14kFL 4.2k
Thu
009° · 17kFL 5.0k
Fri
0013° · 13kFL 5.0k
Sat
0014° · 6kFL 4.7k
Sun
0011° · 20kFL 4.2k
Mon
008° · 27kFL 4.0k
Tue
4.823-4° · 19kFL 2.7k ⚠
Wed
00-4° · 25kFL 2.6k

⚠ Freezing-level warning: on the marked days the freezing level sits well above the 2,424 m base — expect rain low down even while it snows at summit.

Each bar is a day's fresh snowfall; the pill is that day's powder score (fresh snow × cold-dry quality × wind-hold). Peak day: Tuesday, Oct 20 — Lean (23). Forecast refreshed every 6 hours from Open-Meteo; last built Oct 12.

Mountain profile

Summit
3,369 m
Base
2,424 m
Vertical
945 m
Terrain
3,500 ac / 170+ trails
Avg annual snow
990 cm
Typical season
Nov-Jun/Jul
Snow climate
Maritime, high-elevation
Type
Lift-served
Exposure / orientation
Volcanic dome exposed to Pacific storms; long season from elevation

Chasing the same storm?

The closest scored resorts to Mammoth Mountain — often on the same weather system.

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