Hourly Weather Forecast - Mammoth Mountain Ski Area, CA

12 AM
32°F
90%
19mph
S
Snow
Humidity
62%
Feels like
20°F
Dew Point
20°F
1 AM
31°F
90%
19mph
S
Snow
Humidity
64%
Feels like
19°F
Dew Point
21°F
2 AM
31°F
100%
19mph
S
Snow
Humidity
68%
Feels like
18°F
Dew Point
21°F
3 AM
30°F
100%
19mph
S
Snow
Humidity
72%
Feels like
18°F
Dew Point
22°F
4 AM
30°F
100%
19mph
S
Snow
Humidity
75%
Feels like
17°F
Dew Point
23°F
5 AM
30°F
90%
19mph
SSW
Snow
Humidity
78%
Feels like
17°F
Dew Point
24°F
6 AM
30°F
90%
19mph
SSW
Snow
Humidity
77%
Feels like
18°F
Dew Point
24°F
7 AM
31°F
90%
18mph
SSW
Snow
Humidity
73%
Feels like
20°F
Dew Point
24°F
7:09 AM
8 AM
33°F
90%
17mph
SSW
Heavy Snow
Humidity
67%
Feels like
22°F
Dew Point
23°F
9 AM
35°F
90%
15mph
SSW
Snow
Humidity
60%
Feels like
25°F
Dew Point
22°F
10 AM
36°F
100%
14mph
SSW
Heavy Snow
Humidity
57%
Feels like
27°F
Dew Point
22°F
11 AM
37°F
100%
14mph
SSW
Heavy Snow
Humidity
54%
Feels like
28°F
Dew Point
21°F
12 PM
37°F
100%
15mph
SSW
Snow
Humidity
52%
Feels like
27°F
Dew Point
21°F
1 PM
36°F
100%
16mph
SSW
Snow
Humidity
52%
Feels like
26°F
Dew Point
20°F
2 PM
35°F
100%
17mph
SSW
Heavy Snow
Humidity
53%
Feels like
25°F
Dew Point
20°F
3 PM
33°F
100%
17mph
SSW
Heavy Snow
Humidity
57%
Feels like
23°F
Dew Point
20°F
4 PM
32°F
100%
18mph
SSW
Heavy Snow
Humidity
61%
Feels like
20°F
Dew Point
20°F
4:43 PM
5 PM
30°F
100%
19mph
SSW
Snow
Humidity
64%
Feels like
18°F
Dew Point
20°F
6 PM
30°F
100%
20mph
SSW
Snow
Humidity
66%
Feels like
17°F
Dew Point
20°F
7 PM
30°F
100%
21mph
SSW
Snow
Humidity
67%
Feels like
17°F
Dew Point
20°F
8 PM
29°F
100%
21mph
SSW
Snow
Humidity
68%
Feels like
17°F
Dew Point
20°F
9 PM
29°F
100%
20mph
SSW
Snow
Humidity
69%
Feels like
17°F
Dew Point
21°F
10 PM
29°F
100%
20mph
SSW
Snow
Humidity
71%
Feels like
17°F
Dew Point
21°F
11 PM
29°F
100%
19mph
SSW
Snow
Humidity
73%
Feels like
17°F
Dew Point
22°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

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Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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