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Mammoth Mountain 7-Day Snow Forecast - 23rd May 2026

Mammoth Mountain Snow Forecast - 7 day

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Updated 23 May 2026 21:45 AEST

7-Day Snow Forecast for Mammoth Mountain

1-week from 23 May.

For Forecast detail, see below.

Mammoth Mountain 7-Day Snow Forecast Highlights

When will there be fresh snow in Mammoth Mountain?

Mammoth Mountain Snow Forecast Highlights - GFS
Snowfall prediction at mid-mountain (2,885m)
Next Snow Expected27 May
Next Snow Amount9cm
Next 48 Hours-
Next 7 Days9cm

7-Day Snow Outlook for Mammoth Mountain

 
Snowfall

 
Snow Line

Max 18℃
Min -4℃

10cm New Snow

Snow Line from 2,569m to resort level (2,400m).

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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 18℃
Min 6℃

Valley temperatures from an overnight low of 6℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Sat
23

Snow unlikely

ClearClearClearClear

Clear sky.

Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.

Max 18℃
Min 8℃

Valley temperatures from an overnight low of 8℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Sun
24

Snow unlikely

ClearClearClearFair

Clear sky early, then fair later.

Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.

Max 18℃
Min 6℃

Valley temperatures from an overnight low of 6℃ to daytime highs around 18℃

Temperature at BaseTemp at Base

Mon
25

Snow unlikely

CloudClearClearClear

Cloudy early, then clear sky later.

Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.

Max 12℃
Min 0℃

Valley temperatures from an overnight low of 0℃ to daytime highs around 12℃
Freeze-thaw (spring snow) from mid-mountain up.

Temperature at BaseTemp at Base

Tue
26

Snow unlikely

MixedCloudCloudCloud

Clear spells early, then cloudy later.

Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.

Max 8℃
Min -2℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -2℃ and rising to 8℃

Temperature at BaseTemp at Base

 
Snowfall

 
Snow Line

Wed
27

up to 10cm New Snow

ClearClearMixedMixed

Clear sky early, then clear spells later.

Snow Line from 2,569m to resort level (2,400m).

Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.

Max 8℃
Min -4℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -4℃ and rising to 8℃

Temperature at BaseTemp at Base

Thu
28

Snow unlikely

Lt Snow ShwrsCloudMixedMixed

Light snow showers, cloudy, clear spells later.

Forecast times for Mammoth Mountain are in Los Angeles (US/Pacific) time zone.

Max 17℃
Min -1℃

Freeze-thaw (spring snow) conditions, with valley temperatures cooling to -1℃ and rising to 17℃

Temperature at BaseTemp at Base

Fri
29

Snow unlikely

MixedClearClearFair

Clear spells, clear sky, fair 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 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 21:45 AEST, next update expected imminently.

Snow Forecast near Mammoth Mountain

Snow Forecasts for Ski Resorts near Mammoth Mountain
Ski Area 48 Hr 7 DaySaSuMoTuWeThFr
June Mountain-17cm

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.