Mammoth Mountain 48-Hour Snow Forecast
Updated 09 September 2026 06:46 BST
2-Day Forecast for Mammoth Mountain
48-hours from 9 September.
See below for forecast detail
Mammoth Mountain Snow Forecast updated at 06:46 BST, next update expected imminently.
Forecast for today in Mammoth Mountain
Max 26℃ 78°F
Min 12℃ 54°F
Valley temperatures from an overnight low of 12℃ 54°F to daytime highs around 26℃ 78°F
Temperature at BaseTemp at Base
Wed
09
Snow unlikely
Clear spells early, then cloudy later.
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
Forecast for tomorrow in Mammoth Mountain
Max 24℃ 76°F
Min 13℃ 55°F
Valley temperatures from an overnight low of 13℃ 55°F to daytime highs around 24℃ 76°F
Temperature at BaseTemp at Base
Thu
10
Snow unlikely
Clear spells, clear sky, cloudy later.
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
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48-hour Forecast Detail
| Base | Snow to | Weather | Temp Town | Rain or Snow? | |||
|---|---|---|---|---|---|---|---|
| Wed | 00:00 | | Cloudy. | 14℃ 56°F | SE Light | 0% | |
| Wed | 01:00 | | Cloudy. | 13℃ 56°F | SE Light | 0% | |
| Wed | 02:00 | | Cloudy. | 13℃ 56°F | SE Light | 0% | |
| Wed | 03:00 | | Cloudy. | 13℃ 55°F | SE Light | 0% | |
| Wed | 04:00 | | Cloudy. | 13℃ 55°F | SE Light | 0% | |
| Wed | 05:00 | | Cloudy. | 13℃ 54°F | SE Light | 0% | |
| Wed | 06:00 | | Cloudy. | 13℃ 54°F | SE Light | 0% | |
| Wed | 07:00 | | Cloudy. | 12℃ 54°F | SE Light | 0% | |
| Wed | 08:00 | | Cloudy. | 14℃ 57°F | SE Light | 0% | |
| Wed | 09:00 |  | Fair at altitude. Mixed below. | 18℃ 65°F | SE Light | 0% | |
| Wed | 10:00 | | Clear spells at altitude. Cloud below. | 20℃ 68°F | SE Light | 0% | |
| Wed | 11:00 | | Clear sky at altitude. Fair below. | 22℃ 71°F | SE Light | 0% | |
| Wed | 12:00 | | Cloudy. | 23℃ 74°F | SE Light | 0% | |
| Wed | 13:00 | | Cloudy. | 25℃ 76°F | SE Light | 0% | |
| Wed | 14:00 | | Cloudy. | 26℃ 78°F | SE Breeze | 5% | |
| Wed | 15:00 | | Cloudy. | 25℃ 77°F | SE Breeze | 5% | |
| Wed | 16:00 | | Fair at altitude. Cloud below. | 24℃ 75°F | SE Breeze | 5% | |
| Wed | 17:00 | | Fair at altitude. Mixed below. | 23℃ 74°F | SE Breeze | 5% | |
| Wed | 18:00 | | Clear sky at altitude. Fair below. | 22℃ 72°F | SE Breeze | 5% | |
| Wed | 19:00 | | Clear sky. | 20℃ 68°F | SE Breeze | 5% | |
| Wed | 20:00 | | Clear sky at altitude. Fair below. | 18℃ 64°F | SE Breeze | 5% | |
| Wed | 21:00 | | Clear sky at altitude. Mixed below. | 17℃ 63°F | SE Breeze | 0% | |
| Wed | 22:00 | | Clear sky. | 16℃ 62°F | SE Light | 0% | |
| Wed | 23:00 | | Clear sky. | 15℃ 60°F | SE Light | 0% | |
| Thu | 00:00 | | Clear sky. | 15℃ 60°F | SW Light | 0% | |
| Thu | 01:00 | | Clear sky. | 15℃ 59°F | SW Light | 0% | |
| Thu | 02:00 | | Clear sky. | 15℃ 59°F | SW Calm | 0% | |
| Thu | 03:00 | | Clear sky. | 15℃ 59°F | SW Light | 0% | |
| Thu | 04:00 | | Clear sky. | 15℃ 58°F | SW Light | 0% | |
| Thu | 05:00 | | Clear sky. | 14℃ 58°F | SW Light | 0% | |
| Thu | 06:00 | | Cloudy. | 13℃ 55°F | SW Light | 0% | |
| Thu | 07:00 | | Cloudy. | 14℃ 56°F | SW Light | 0% | |
| Thu | 08:00 | | Cloudy. | 16℃ 62°F | SW Light | 0% | |
| Thu | 09:00 | | Cloudy. | 19℃ 67°F | SW Light | 0% | |
| Thu | 10:00 | | Cloudy. | 21℃ 70°F | SW Breeze | 0% | |
| Thu | 11:00 | | Cloudy. | 22℃ 72°F | SW Breeze | 0% | |
| Thu | 12:00 | | Cloudy. | 23℃ 73°F | SW Breeze | 15% | |
| Thu | 13:00 | | Cloudy. | 24℃ 76°F | SW Breeze | 15% | |
| Thu | 14:00 | | Cloudy. | 24℃ 76°F | SW Breeze | 15% | |
| Thu | 15:00 | | Cloudy. | 24℃ 76°F | SW Breeze | 15% | |
| Thu | 16:00 | | Cloudy. | 24℃ 75°F | SW Breeze | 15% | |
| Thu | 17:00 | | Clear spells at altitude. Cloud below. | 23℃ 73°F | SW Breeze | 15% | |
| Thu | 18:00 | | Fair. | 21℃ 70°F | SW Breeze | 0% | |
| Thu | 19:00 | | Clear spells. | 18℃ 64°F | SW Breeze | 0% | |
| Thu | 20:00 | | Clear sky. | 15℃ 59°F | SW Light | 0% | |
| Thu | 21:00 | | Cloudy. | 14℃ 58°F | SW Light | 0% | |
| Thu | 22:00 | | Cloudy. | 14℃ 57°F | SW Light | 0% | |
| Thu | 23:00 | | Clear sky. | 13℃ 56°F | SW Light | 0% | |
Snow Forecast near Mammoth Mountain
Snow forecasts for nearby ski areas.
Snow Forecasts for other Ski Resorts near Mammoth Mountain are not available.
Mammoth Mountain Snow
For current snow depths and skiing conditions, see our Current Snow Report for Mammoth Mountain.
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.
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.