Mammoth Mountain Long-Range Snow Forecast Updated today
Updated 12 November 2026 06:54 GMT
Long-Range Snow Forecast for Mammoth Mountain
Long-range (14 to 45 days) from 12 November.
For Forecast detail, see below.
Mammoth Mountain Snow Forecast Highlights
When will there be fresh snow in Mammoth Mountain?
| Next Snow Expected | 13 November |
|---|---|
| Next Snow Amount | 22cm 9in |
| Next 48 Hours | 25cm 10in |
| Next 7 Days | 32cm 13in |
Long-range Snow Outlook for Mammoth Mountain
Snowfall
Snow Line
Max 11℃ 52°F
Min -9℃ 15°F
32cm 12in New Snow
Snow Line from 2,666m 8,747ft to resort level ( 2,400m 7,874ft ).
There is a lot of snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
Powder Alert!
Powder Alarm issued 12 November 2026 06:55 GMT
Powder Possible :- 25cm 10in of Fresh Snow is forecast for Mammoth Mountain over the next 2 days.
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Mammoth Mountain Long-Range (2 weeks+) Snow Forecast Outlook
Note :- Mountain weather is extremely dynamic; the forecast below will change. Any forecast snow may move forward or back in the forecast, and predicted snowfall depths will be revised in subsequent updates.
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Thu 12 |  | Clear sky. | Max 11℃ 52°F Min 0℃ 31°F |
| Fri 13 |  | 11cm to 22cm 4in to 9in New Snow | Max 7℃ 44°F Min -1℃ 31°F |
| Sat 14 |  | 3cm 1in New Snow | Max 3℃ 36°F Min -8℃ 17°F |
| Sun 15 | | Cloudy. | Max 3℃ 38°F Min -7℃ 19°F |
| Mon 16 | | Cloudy. | Max 3℃ 37°F Min -6℃ 20°F |
| Tue 17 |  | 3cm 1in New Snow | Max 2℃ 35°F Min -4℃ 26°F |
| Wed 18 |  | 3cm 1in New Snow | Max 1℃ 34°F Min -9℃ 15°F |
There is a lot of snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In for a long-range snow forecast, with more weather detail.
This Snow Forecast for Mammoth Mountain, United States gives the predicted Snowfall and Freezing Levels for the next week.
The forecast snowfall depths given are the likely average accumulations for the Lower and Upper slopes. The actual snow depth in Mammoth Mountain, on any given piste or itinerary, may be dramatically different, particularly if the snowfall is accompanied by high winds and/or varying air temperatures.
Snow Forecasts beyond two days ahead are subject to significant change and variable reliability.
Mammoth Mountain Snow Forecast updated at 06:54 GMT, next update expected 09:00 GMT.
Ensemble forecast for Mammoth Mountain, USA at 2,400m
Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)
United States Accommodation (Apartments, Chalets, Hotels) Map
Snow Forecast near Mammoth Mountain
| Ski Area | 48 Hr | 7 Day | Th | Fr | Sa | Su | Mo | Tu | We |
|---|---|---|---|---|---|---|---|---|---|
| June Mountain | 24cm 9in | 31cm 12in |
How reliable is the snow in Mammoth Mountain?
Mammoth Mountain is known for its excellent snow reliability, with an average snowfall of over 400 inches annually. For the latest snow conditions and depth information, be sure to check J2Ski.
Off-Piste Safety in Mammoth Mountain
Before skiing or snowboarding off-piste in Mammoth Mountain, you must assess the local snow conditions. Always check the local Avalanche Risk Level and ski with appropriate safety equipment.