Mammoth Mountain Snow Forecast - 7 day
Updated 12 April 2026 12:42 BST
7-Day Snow Forecast for Mammoth Mountain
1-week from 12 April.
For Forecast detail, see below.
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Mammoth Mountain 7-Day Snow Forecast Highlights
When will there be fresh snow in Mammoth Mountain?
| Next Snow Expected | 12 April |
|---|---|
| Next Snow Amount | 35cm 14in |
| Next 48 Hours | 38cm 15in |
| Next 7 Days | 43cm 17in |
7-Day Snow Outlook for Mammoth Mountain
Snowfall
Snow Line
Max 6℃ 43°F
Min -14℃ 8°F
43cm 17in New Snow
Snow Line from 2,549m 8,363ft to resort level ( 2,400m 7,874ft ).
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Powder Alert!
Powder Alarm issued 12 April 2026 17:44 BST
Powder Possible :- 38cm 15in of Fresh Snow is forecast for Mammoth Mountain over the next 2 days.
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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 -2℃ 29°F
Min -7℃ 20°F
Below freezing at all levels, with valley temperatures as low as -7℃ 20°F and not getting above -2℃ 29°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Sun
12
30cm to 35cm 12in to 14in New Snow
Light 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 0℃ 32°F
Min -10℃ 14°F
Valley temperatures from an overnight low of -10℃ 14°F to daytime highs around 0℃ 32°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Mon
13
2cm to 4cm 1in New Snow
Heavy snow showers, cloudy, 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℃ 35°F
Min -14℃ 8°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -14℃ 8°F and rising to 2℃ 35°F
Temperature at BaseTemp at Base
Tue
14
Snow unlikely
Cloudy, clear sky, cloudy later.
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
Max 3℃ 38°F
Min -9℃ 16°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -9℃ 16°F and rising to 3℃ 38°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Wed
15
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 (spring snow) conditions, with valley temperatures cooling to -9℃ 16°F and rising to 2℃ 36°F
Temperature at BaseTemp at Base
Snowfall
Snow Line
Thu
16
4cm to 5cm 2in New Snow
Cloudy, heavy snow showers, light snow showers later.
Snow Line from 2,549m 8,363ft to resort level ( 2,400m 7,874ft ).
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
Max 6℃ 42°F
Min -10℃ 14°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -10℃ 14°F and rising to 6℃ 42°F
Temperature at BaseTemp at Base
Fri
17
Snow unlikely
Heavy snow early, then clear sky later.
Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.
Max 6℃ 43°F
Min -6℃ 21°F
Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -6℃ 21°F and rising to 6℃ 43°F
Temperature at BaseTemp at Base
Sat
18
Snow unlikely
Clear sky early, then cloudy 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 12:42 BST, next update expected imminently.
Snow Forecast near Mammoth Mountain
| Ski Area | 48 Hr | 7 Day | Su | Mo | Tu | We | Th | Fr | Sa |
|---|---|---|---|---|---|---|---|---|---|
| June Mountain | 22cm 9in | 28cm 11in |
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.