Mammoth Mountain Weather
Weather Forecast for Mammoth Mountain (2,400m to 3,370m)
Weather Outlook from 12 November.
Mammoth Mountain Forecast
See below for the detailed long-range forecast, including lowest and highest temperatures, sunshine, cloud cover, wind and rain projections.
Mammoth Mountain Weather Forecast updated at 01:54 CDT, next update expected 04:00 CDT.
Long-range Snow Outlook for Mammoth Mountain
Snowfall
Snow Line
Max 11℃
Min -9℃
32cm New Snow
Snow Line from 2,666m to resort level (2,400m).
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 01:55 CDT
Powder Possible :- 25cm of Fresh Snow is forecast for Mammoth Mountain over the next 2 days.
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Mammoth Mountain Daily Weather Forecast Detail
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Thu 12 |  | Clear sky. | Max 11℃ Min 0℃ |
| Fri 13 |  | 11cm to 22cm New Snow | Max 7℃ Min -1℃ |
| Sat 14 |  | 3cm New Snow | Max 3℃ Min -8℃ |
| Sun 15 | | Cloudy. | Max 3℃ Min -7℃ |
| Mon 16 | | Cloudy. | Max 3℃ Min -6℃ |
| Tue 17 |  | 3cm New Snow | Max 2℃ Min -4℃ |
| Wed 18 |  | 3cm New Snow | Max 1℃ Min -9℃ |
There is a lot of snow in the long-range forecast (8 to 16 days from today)!
J2Ski - Sign In to see the full long-range weather forecast (out to 16 days, 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 Weather Forecast updated at 01:54 CDT, next update expected 04:00 CDT.
Current Snow
For current snow depths and skiing conditions, see our Current Snow Report for Mammoth Mountain.United States Accommodation (Apartments, Chalets, Hotels) Map
For more information about this American Ski Resort, See Also Skiing and Snowboarding in Mammoth Mountain .
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.