Hourly Weather Forecast - Mount Lebanon, PA

2 AM
19°F
70%
5mph
NW
70% Chance of Heavy Snow
Humidity
86%
Feels like
12°F
Dew Point
16°F
3 AM
18°F
30%
6mph
WNW
30% Chance of Snow
Humidity
87%
Feels like
10°F
Dew Point
15°F
4 AM
16°F
20%
6mph
WNW
Cloudy
Humidity
87%
Feels like
8°F
Dew Point
13°F
5 AM
15°F
10%
6mph
WNW
Cloudy
Humidity
84%
Feels like
6°F
Dew Point
11°F
6 AM
14°F
0%
6mph
WNW
Mostly Cloudy
Humidity
78%
Feels like
5°F
Dew Point
9°F
7 AM
13°F
0%
6mph
WNW
Mostly Cloudy
Humidity
75%
Feels like
4°F
Dew Point
7°F
7:35 AM
8 AM
13°F
0%
7mph
WNW
Partly Cloudy
Humidity
74%
Feels like
3°F
Dew Point
7°F
9 AM
14°F
0%
7mph
WNW
Partly Cloudy
Humidity
74%
Feels like
3°F
Dew Point
7°F
10 AM
14°F
0%
8mph
WNW
Mostly Cloudy
Humidity
72%
Feels like
3°F
Dew Point
7°F
11 AM
15°F
0%
8mph
WNW
Mostly Cloudy
Humidity
69%
Feels like
3°F
Dew Point
6°F
12 PM
15°F
30%
9mph
WNW
30% Chance of Snow
Humidity
68%
Feels like
3°F
Dew Point
6°F
1 PM
15°F
10%
9mph
WNW
Partly Cloudy
Humidity
69%
Feels like
3°F
Dew Point
6°F
2 PM
15°F
30%
9mph
WNW
30% Chance of Heavy Snow
Humidity
73%
Feels like
3°F
Dew Point
8°F
3 PM
14°F
30%
9mph
WNW
30% Chance of Heavy Snow
Humidity
74%
Feels like
2°F
Dew Point
8°F
4 PM
14°F
30%
9mph
WNW
30% Chance of Snow
Humidity
76%
Feels like
2°F
Dew Point
8°F
4:54 PM
5 PM
14°F
10%
9mph
WNW
Partly Cloudy
Humidity
78%
Feels like
3°F
Dew Point
8°F
6 PM
14°F
10%
8mph
WNW
Mostly Cloudy
Humidity
79%
Feels like
3°F
Dew Point
9°F
7 PM
14°F
30%
8mph
WNW
30% Chance of Snow
Humidity
79%
Feels like
3°F
Dew Point
9°F
8 PM
15°F
30%
7mph
WNW
30% Chance of Snow
Humidity
80%
Feels like
4°F
Dew Point
10°F
9 PM
15°F
10%
7mph
WNW
Mostly Cloudy
Humidity
80%
Feels like
5°F
Dew Point
10°F
10 PM
16°F
10%
6mph
W
Mostly Cloudy
Humidity
79%
Feels like
7°F
Dew Point
11°F
11 PM
17°F
30%
5mph
W
30% Chance of Snow
Humidity
77%
Feels like
9°F
Dew Point
11°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

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

Cold Air Damming - Cause And Effects

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