Mammoth Mountain Weather
Weather Forecast for Mammoth Mountain ( 2,400m to 3,370m 7,874ft to 11,056ft )
This is the Snow Forecast and Weather Outlook for Mammoth Mountain, United States for 16 days from 6 December.
Updated 06 December 2025 12:41 UTC.
Forecast times for Mammoth Mountain are in Pacific Time (US/Pacific).
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 12:41 UTC, next update expected imminently.
Long-range Snow Outlook for Mammoth Mountain
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Mammoth Mountain has no new snow forecast in the next 48 hours.
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Mammoth Mountain Daily Weather Forecast Detail
| Base | Snow and Weather | Temp Town | |
|---|---|---|---|
| Sat 06 |  | Clear sky. | Max 12℃ 54°F Min 4℃ 40°F |
| Sun 07 |  | Cloudy. | Max 11℃ 52°F Min 1℃ 33°F |
| Mon 08 | | Clear sky. | Max 12℃ 54°F Min 1℃ 34°F |
| Tue 09 | | Cloudy. | Max 15℃ 58°F Min 2℃ 35°F |
| Wed 10 | | Cloudy at altitude, clear sky below. | Max 15℃ 59°F Min 4℃ 39°F |
| Thu 11 | | Clear sky. | Max 16℃ 60°F Min 3℃ 38°F |
| Fri 12 | | Clear sky. | Max 15℃ 60°F Min 3℃ 38°F |
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No significant snowfall is forecast for this period.
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 12:41 UTC, next update expected imminently.
Current Snow
For current snow depths and skiing conditions, see our Current Snow Report for Mammoth Mountain.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.