Hourly Weather Forecast - Mammoth Mountain Ski Area, CA

12 AM
38°F
30%
19mph
SW
30% Chance Rain Showers
Humidity
84%
Feels like
28°F
Dew Point
34°F
1 AM
38°F
30%
19mph
SW
30% Chance Rain Showers
Humidity
87%
Feels like
28°F
Dew Point
34°F
2 AM
37°F
30%
19mph
SW
30% Chance Rain Showers
Humidity
89%
Feels like
27°F
Dew Point
35°F
3 AM
37°F
30%
19mph
SW
30% Chance Rain Showers
Humidity
90%
Feels like
27°F
Dew Point
34°F
4 AM
37°F
90%
19mph
SW
Rain Showers
Humidity
92%
Feels like
26°F
Dew Point
34°F
5 AM
36°F
90%
18mph
SW
Rain Showers
Humidity
92%
Feels like
26°F
Dew Point
34°F
6 AM
36°F
100%
17mph
SW
Rain Showers
Humidity
93%
Feels like
26°F
Dew Point
34°F
7 AM
38°F
90%
17mph
SW
Rain Showers
Humidity
87%
Feels like
29°F
Dew Point
35°F
7:07 AM
8 AM
42°F
90%
16mph
SW
Rain Showers
Humidity
83%
Feels like
34°F
Dew Point
37°F
9 AM
46°F
90%
15mph
SW
Rain Showers
Humidity
63%
Feels like
40°F
Dew Point
34°F
10 AM
49°F
80%
15mph
SW
80% Chance Rain Showers
Humidity
51%
Feels like
43°F
Dew Point
31°F
11 AM
50°F
80%
15mph
SW
80% Chance Rain Showers
Humidity
46%
Feels like
44°F
Dew Point
30°F
12 PM
50°F
80%
15mph
SW
80% Chance Rain Showers
Humidity
43%
Feels like
50°F
Dew Point
29°F
1 PM
50°F
80%
16mph
SW
80% Chance Rain Showers
Humidity
40%
Feels like
50°F
Dew Point
26°F
2 PM
49°F
80%
15mph
SW
80% Chance Rain Showers
Humidity
37%
Feels like
44°F
Dew Point
24°F
3 PM
47°F
80%
15mph
SW
80% Chance Rain Showers
Humidity
40%
Feels like
40°F
Dew Point
24°F
4 PM
43°F
80%
14mph
SW
80% Chance of Light Rain
Humidity
47%
Feels like
36°F
Dew Point
24°F
4:40 PM
5 PM
40°F
80%
15mph
SW
80% Chance Rain Showers
Humidity
53%
Feels like
32°F
Dew Point
24°F
6 PM
38°F
80%
16mph
SSW
80% Chance Rain Showers
Humidity
58%
Feels like
30°F
Dew Point
25°F
7 PM
38°F
80%
17mph
SSW
80% Chance Rain Showers
Humidity
60%
Feels like
29°F
Dew Point
26°F
8 PM
38°F
80%
17mph
SSW
80% Chance Rain Showers
Humidity
61%
Feels like
28°F
Dew Point
26°F
9 PM
38°F
80%
18mph
SSW
80% Chance Rain Showers
Humidity
60%
Feels like
28°F
Dew Point
25°F
10 PM
38°F
80%
19mph
SSW
80% Chance of Light Rain
Humidity
59%
Feels like
28°F
Dew Point
25°F
11 PM
38°F
80%
19mph
SSW
80% Chance of Light Rain
Humidity
59%
Feels like
28°F
Dew Point
25°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday'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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