Mammoth Mountain snow
Ski USA - California

Mammoth Mountain Snow Forecast

Weather Forecast for Mammoth Mountain at 2424 m
Issued: 9 am  20 Dec 2025 (local time)

New snow in Mammoth Mountain

7.0cm2.8in
Sun 21st (PM)
The snow forecast for Mammoth Mountain is: A moderate fall of snow, heaviest on Sun night. Turning milder with heavy rain (total 33.0mm), heaviest during Mon morning. Freeze-thaw conditions (max 6°C on Sun morning, min -1°C on Mon night). Winds increasing (light winds from the SW on Sat morning, strong winds from the SW by Sun morning).

Mammoth Mountain Weather (Next 3 days): The snow forecast for Mammoth Mountain is: A moderate fall of snow, heaviest on Sun night. Turning milder with heavy rain (total 33.0mm), heaviest during Mon morning. Freeze-thaw conditions (max 6°C on Sun morning, min -1°C on Mon night). Winds increasing (light winds from the SW on Sat morning, strong winds from the SW by Sun morning).

Mammoth Mountain Weather (Days 4-6): A heavy fall of snow, heaviest during Wed morning. Freeze-thaw conditions (max 2°C on Tue morning, min -4°C on Wed afternoon). Winds increasing (light winds from the SSW on Tue night, strong winds from the SW by Thu afternoon).


Mammoth Mountain Live Weather

ResortSnow DepthTemp. (°C)Wind (km/h)Weather
Top Lift: 1.0m
-1
20
cloud
Middle Lift: 
2
15
cloud
Bottom Lift: 0.3m
5
10
cloud
6 Day Forecast
Issued: 9 am 20 Dec 2025 / Updates in ::
Change Forecast Height
Choose Forecast
Last 6 daysScroll left for last 6 daysNow
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
part cloud
light rain
rain showers
rain showers
light snow
heavy snow
heavy rain
mod rain
snow showers
snow showers
snow showers
snow showers
heavy snow
mod snow
heavy snow
heavy snow
heavy snow
mod snow
some clouds
light rain
rain shwrs
rain shwrs
light snow
heavy snow
heavy rain
mod. rain
snow shwrs
snow shwrs
snow shwrs
snow shwrs
heavy snow
mod. snow
heavy snow
heavy snow
heavy snow
mod. snow
 km/h
15
SW
10
SW
25
SW
45
SW
35
SW
20
SSW
15
SW
20
SSW
25
SSW
25
SSW
20
SSW
20
SSW
20
SSW
30
SSW
35
S
30
S
50
SSW
30
SSW
Snow map
2
16
18
19
5
10
23
14
10
2
2
1
2
5
13
7
1
max °C
5
4
3
6
2
0
2
2
0
2
-1
-1
-1
-3
-2
-2
-3
-3
min °C
4
3
2
5
0
0
1
1
-1
1
-2
-3
-2
-4
-4
-3
-3
-4
1
0
-4
-1
-6
-6
-4
-4
-7
-5
-8
-10
-9
-10
-11
-10
-12
-11
88
95
93
78
74
98
97
98
67
60
84
97
96
90
89
94
94
93
3000
3100
3150
3150
2800
2850
2800
2900
2900
2850
2400
2400
2300
2100
2100
2150
2100
2050
Sea lvl1000m2000m3000m4000m5000m
-2-2-2-1-5-4-3-3-3-4-6-6-8-8-8-9-8-854361022-12-2-2-2-4-3-3-3-4
Sunrise
7:05
7:07
7:07
7:07
7:07
7:09
Sunset
4:39
4:40
4:40
4:42
4:42
4:43

Snow Radar

Latest snow reports near Mammoth Mountain:

No recent snow reports

No recent snow reports

Mammoth Mountain Snow Conditions

Top snow depth:102cm
Bottom snow depth:30cm
Fresh snowfall depth:
Last snowfall:21 Nov 2025
Snow AlertsCreate Alert
Other resorts in USA - California are reporting: powder (0) / good piste (0)

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Snow History

Week 3 of December has on average:
0.6
Bluebird Powder days
Fresh snow, mostly sunny, light wind.
1.0
Powder days
Fresh snow, limited sun, any wind.
1.6
Bluebird days
Average snow, mostly sunny, light wind.



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