Hourly Weather Forecast - Mammoth Mountain Ski Area, CA

12 AM
37°F
0%
10mph
SW
Mostly Clear
Humidity
79%
Feels like
30°F
Dew Point
31°F
1 AM
37°F
0%
11mph
SW
Clear
Humidity
80%
Feels like
29°F
Dew Point
31°F
2 AM
37°F
0%
11mph
SW
Mostly Clear
Humidity
82%
Feels like
29°F
Dew Point
32°F
3 AM
37°F
0%
12mph
SW
Mostly Clear
Humidity
83%
Feels like
29°F
Dew Point
32°F
4 AM
37°F
0%
14mph
SW
Mostly Clear
Humidity
85%
Feels like
28°F
Dew Point
33°F
5 AM
37°F
0%
14mph
SW
Mostly Clear
Humidity
88%
Feels like
28°F
Dew Point
34°F
6 AM
38°F
0%
14mph
SW
Clear
Humidity
90%
Feels like
29°F
Dew Point
35°F
7 AM
40°F
0%
12mph
WSW
Clear
Humidity
82%
Feels like
33°F
Dew Point
35°F
7:04 AM
8 AM
45°F
0%
11mph
WSW
Mostly Sunny
Humidity
69%
Feels like
39°F
Dew Point
35°F
9 AM
50°F
0%
10mph
SW
Partly Cloudy
Humidity
55%
Feels like
46°F
Dew Point
34°F
10 AM
53°F
0%
9mph
SW
Mostly Cloudy
Humidity
46%
Feels like
53°F
Dew Point
33°F
11 AM
55°F
0%
10mph
WSW
Mostly Cloudy
Humidity
40%
Feels like
55°F
Dew Point
31°F
12 PM
56°F
0%
11mph
WSW
Mostly Cloudy
Humidity
35%
Feels like
56°F
Dew Point
28°F
1 PM
56°F
0%
11mph
WSW
Mostly Cloudy
Humidity
32%
Feels like
56°F
Dew Point
27°F
2 PM
55°F
0%
10mph
WSW
Partly Cloudy
Humidity
31%
Feels like
55°F
Dew Point
25°F
3 PM
51°F
0%
9mph
WSW
Partly Cloudy
Humidity
35%
Feels like
51°F
Dew Point
24°F
4 PM
46°F
0%
7mph
WSW
Mostly Sunny
Humidity
41%
Feels like
42°F
Dew Point
23°F
4:39 PM
5 PM
40°F
0%
7mph
WSW
Mostly Clear
Humidity
49%
Feels like
36°F
Dew Point
23°F
6 PM
38°F
0%
6mph
WSW
Clear
Humidity
53%
Feels like
33°F
Dew Point
22°F
7 PM
36°F
0%
6mph
WSW
Clear
Humidity
55%
Feels like
31°F
Dew Point
22°F
8 PM
35°F
0%
6mph
WSW
Clear
Humidity
55%
Feels like
30°F
Dew Point
21°F
9 PM
35°F
0%
6mph
WSW
Clear
Humidity
55%
Feels like
29°F
Dew Point
20°F
10 PM
34°F
0%
6mph
WSW
Clear
Humidity
54%
Feels like
29°F
Dew Point
19°F
11 PM
34°F
0%
6mph
WSW
Mostly Clear
Humidity
53%
Feels like
29°F
Dew Point
19°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

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