Mammoth Mountain Snow Forecast - 7 day
7-Day Snow Forecast for Mammoth Mountain
This is the 7-Day (1-week) Snow Forecast for Mammoth Mountain from 16 February.
Updated 16 February 2026 17:44 UTC.
For Forecast detail, see below.
Mammoth Mountain 7-Day Snow Forecast Highlights
When will there be fresh snow in Mammoth Mountain?
| Next Snow Expected | 16 February |
|---|---|
| Next Snow Amount | 25cm 10in |
| Next 48 Hours | 68cm 27in |
| Next 7 Days | 82cm 32in |
7-Day Snow Outlook for Mammoth Mountain
Snowfall
Snow Line
71cm 28in New Snow
Snow falling to resort level ( 2,400m 7,874ft ).
There is some 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 16 February 2026 21:49 UTC
Powder Possible :- 68cm 27in of Fresh Snow is forecast for Mammoth Mountain over the next 2 days.
*
GFS - at altitude
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Mammoth Mountain Medium-Range (7-Day) Snow Forecast Detail
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.
Max -1℃ 30°F
Min -8℃ 18°F
Below freezing at all levels, with valley temperatures as low as -8℃ 18°F and not getting above -1℃ 30°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
16
21cm to 25cm 8in to 10in New Snow
Clear sky early, then heavy snow later.
Snow falling to resort level ( 2,400m 7,874ft ).
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
Max -6℃ 22°F
Min -12℃ 10°F
Below freezing at all levels, with valley temperatures as low as -12℃ 10°F and not getting above -6℃ 22°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Tue
17
33cm to 37cm 13in to 15in New Snow
Patchy heavy snow first, heavy snow then heavy snow showers, heavy snow later.
Snow falling to resort level ( 2,400m 7,874ft ).
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
Max -8℃ 17°F
Min -21℃ -5°F
Below freezing at all levels, with valley temperatures as low as -21℃ -5°F and not getting above -8℃ 17°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
18
5cm 2in New Snow
Patchy heavy snow first, heavy snow then light snow, light snow showers later.
Snow falling to resort level ( 2,400m 7,874ft ).
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
Max -4℃ 25°F
Min -20℃ -4°F
Below freezing at all levels, with valley temperatures as low as -20℃ -4°F and not getting above -4℃ 25°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
19
2cm to 3cm 1in New Snow
Light snow showers first, cloudy then light snow, light snow showers later.
Snow falling to resort level ( 2,400m 7,874ft ).
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
Max -2℃ 29°F
Min -24℃ -11°F
Below freezing at all levels, with valley temperatures as low as -24℃ -11°F and not getting above -2℃ 29°F
Temperature at BaseTemp at Base
Fri
20
Snow unlikely
Light snow showers, clear spells, cloudy later.
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
Max 2℃ 36°F
Min -14℃ 6°F
Freeze-thaw conditions, with valley temperatures cooling to -14℃ 6°F and rising to 2℃ 36°F
Temperature at BaseTemp at Base
Sat
21
Snow unlikely
Cloudy, clear sky, cloudy later.
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
Max 2℃ 36°F
Min -9℃ 16°F
Freeze-thaw conditions, with valley temperatures cooling to -9℃ 16°F and rising to 2℃ 36°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
22
Snow unlikely
Cloudy, fair, clear sky later.
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
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 17:44 UTC, next update expected imminently.
Snow Forecast near Mammoth Mountain
| Ski Area | 48 Hr | 7 Day | Mo | Tu | We | Th | Fr | Sa | Su |
|---|---|---|---|---|---|---|---|---|---|
| June Mountain | 49cm 19in | 59cm 23in |
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.