Hourly Weather Forecast - Mammoth, PA

12 AM
22°F
0%
6mph
W
Clear
Humidity
61%
Feels like
15°F
Dew Point
11°F
1 AM
22°F
0%
5mph
W
Clear
Humidity
61%
Feels like
15°F
Dew Point
10°F
2 AM
21°F
0%
5mph
W
Clear
Humidity
63%
Feels like
14°F
Dew Point
11°F
3 AM
21°F
0%
5mph
W
Clear
Humidity
65%
Feels like
14°F
Dew Point
11°F
4 AM
21°F
0%
4mph
W
Mostly Clear
Humidity
65%
Feels like
14°F
Dew Point
11°F
5 AM
20°F
0%
4mph
W
Partly Cloudy
Humidity
66%
Feels like
15°F
Dew Point
11°F
6 AM
20°F
0%
4mph
W
Mostly Cloudy
Humidity
66%
Feels like
15°F
Dew Point
11°F
7 AM
21°F
0%
3mph
W
Cloudy
Humidity
66%
Feels like
16°F
Dew Point
11°F
7:38 AM
8 AM
22°F
0%
3mph
WSW
Cloudy
Humidity
65%
Feels like
18°F
Dew Point
12°F
9 AM
24°F
0%
4mph
WSW
Cloudy
Humidity
64%
Feels like
19°F
Dew Point
13°F
10 AM
26°F
0%
4mph
WSW
Cloudy
Humidity
58%
Feels like
21°F
Dew Point
13°F
11 AM
28°F
0%
4mph
WSW
Cloudy
Humidity
53%
Feels like
23°F
Dew Point
13°F
12 PM
30°F
0%
4mph
WSW
Cloudy
Humidity
50%
Feels like
26°F
Dew Point
14°F
1 PM
31°F
10%
4mph
W
Cloudy
Humidity
49%
Feels like
27°F
Dew Point
14°F
2 PM
32°F
10%
4mph
WSW
Cloudy
Humidity
47%
Feels like
28°F
Dew Point
14°F
3 PM
32°F
10%
4mph
WSW
Cloudy
Humidity
48%
Feels like
29°F
Dew Point
15°F
4 PM
32°F
10%
3mph
SW
Cloudy
Humidity
49%
Feels like
29°F
Dew Point
15°F
4:56 PM
5 PM
31°F
10%
3mph
SSW
Cloudy
Humidity
52%
Feels like
31°F
Dew Point
16°F
6 PM
30°F
10%
3mph
SSE
Cloudy
Humidity
56%
Feels like
30°F
Dew Point
17°F
7 PM
30°F
10%
4mph
SE
Mostly Cloudy
Humidity
58%
Feels like
26°F
Dew Point
17°F
8 PM
29°F
10%
4mph
SE
Mostly Cloudy
Humidity
59%
Feels like
25°F
Dew Point
17°F
9 PM
30°F
30%
4mph
SE
30 % Chance of Heavy Snow
Humidity
59%
Feels like
26°F
Dew Point
17°F
10 PM
30°F
30%
4mph
SE
30% Chance of Snow
Humidity
59%
Feels like
26°F
Dew Point
18°F
11 PM
30°F
10%
4mph
SE
Partly Cloudy
Humidity
58%
Feels like
26°F
Dew Point
17°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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