Hourly Weather Forecast - Mammoth Mountain Ski Area, CA

12 AM
38°F
70%
17mph
S
70% Chance of Rain
Humidity
67%
Feels like
29°F
Dew Point
28°F
1 AM
38°F
80%
17mph
S
80% Chance of Rain
Humidity
73%
Feels like
29°F
Dew Point
30°F
2 AM
38°F
90%
18mph
S
Rain
Humidity
77%
Feels like
28°F
Dew Point
31°F
3 AM
38°F
100%
19mph
S
Rain
Humidity
80%
Feels like
28°F
Dew Point
32°F
4 AM
37°F
100%
19mph
S
Frozen Mix
Humidity
81%
Feels like
27°F
Dew Point
32°F
5 AM
37°F
100%
19mph
SSW
Frozen Mix
Humidity
82%
Feels like
27°F
Dew Point
32°F
6 AM
37°F
100%
19mph
SSW
Heavy Rain
Humidity
80%
Feels like
27°F
Dew Point
31°F
7 AM
38°F
100%
18mph
SSW
Heavy Rain
Humidity
75%
Feels like
28°F
Dew Point
30°F
7:08 AM
8 AM
38°F
100%
16mph
SSW
Heavy Rain
Humidity
70%
Feels like
29°F
Dew Point
29°F
9 AM
39°F
100%
14mph
SSW
Rain
Humidity
64%
Feels like
31°F
Dew Point
28°F
10 AM
39°F
100%
12mph
SSW
Rain
Humidity
61%
Feels like
31°F
Dew Point
27°F
11 AM
39°F
100%
12mph
SSW
Thunderstorms
Humidity
59%
Feels like
31°F
Dew Point
25°F
12 PM
38°F
100%
13mph
SSW
Thunderstorms
Humidity
57%
Feels like
30°F
Dew Point
24°F
1 PM
38°F
100%
14mph
SSW
Heavy Snow
Humidity
57%
Feels like
29°F
Dew Point
24°F
2 PM
37°F
100%
14mph
SSW
Snow
Humidity
57%
Feels like
28°F
Dew Point
23°F
3 PM
35°F
100%
13mph
SSW
Heavy Snow
Humidity
60%
Feels like
26°F
Dew Point
22°F
4 PM
33°F
100%
13mph
SSW
Heavy Snow
Humidity
62%
Feels like
24°F
Dew Point
22°F
4:42 PM
5 PM
33°F
100%
14mph
SSW
Snow
Humidity
64%
Feels like
23°F
Dew Point
22°F
6 PM
33°F
100%
15mph
SSW
Snow
Humidity
64%
Feels like
22°F
Dew Point
22°F
7 PM
33°F
90%
16mph
SSW
Snow
Humidity
62%
Feels like
22°F
Dew Point
21°F
8 PM
33°F
90%
17mph
SSW
Snow
Humidity
61%
Feels like
22°F
Dew Point
21°F
9 PM
33°F
90%
17mph
SSW
Snow
Humidity
60%
Feels like
22°F
Dew Point
21°F
10 PM
33°F
90%
18mph
S
Snow
Humidity
60%
Feels like
22°F
Dew Point
21°F
11 PM
33°F
90%
19mph
S
Snow
Humidity
61%
Feels like
22°F
Dew Point
21°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

White Christmas? What Are The Odds

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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