Mammoth Mountain Long-Range Snow Forecast Updated today
Updated 29 September 2026 04:53 PDT
Long-Range Snow Forecast for Mammoth Mountain
Long-range (14 to 45 days) from 29 September.
For Forecast detail, see below.
Mammoth Mountain Snow Forecast Highlights
When will there be fresh snow in Mammoth Mountain?
| Next Snow? | |
|---|---|
| There is no snow currently in the forecast for Mammoth Mountain. |
Long-range Snow Outlook for Mammoth Mountain
Snowfall
Snow Line
Max 78°F
Min 38°F
Snow unlikely
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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 | |
|---|---|---|---|
| Tue 29 |  | Clear sky. | Max 63°F Min 37°F |
| Wed 30 | | Clear sky. | Max 72°F Min 46°F |
| Thu 01 | | Clear sky. | Max 76°F Min 48°F |
| Fri 02 |  | Cloudy. | Max 76°F Min 50°F |
| Sat 03 | | Clear sky. | Max 79°F Min 49°F |
| Sun 04 | | Clear sky. | Max 71°F Min 49°F |
| Mon 05 | | Clear sky. | Max 74°F Min 49°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 trail 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 04:53 PDT, next update expected 07:00 PDT.
Ensemble forecast for Mammoth Mountain, USA at 7,874ft
Daily Mean Temperature (yellow line is control)
Daily Total Precipitation (blue line is control)
United States Accommodation (Apartments, Chalets, Hotels) Map
Snow Reliability
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.