Hourly Weather Forecast - Lemont, PA

12 AM
22°F
0%
17mph
WNW
Partly Cloudy
Humidity
60%
Feels like
9°F
Dew Point
11°F
1 AM
22°F
0%
15mph
WNW
Partly Cloudy
Humidity
60%
Feels like
9°F
Dew Point
10°F
2 AM
21°F
0%
14mph
WNW
Partly Cloudy
Humidity
62%
Feels like
8°F
Dew Point
11°F
3 AM
21°F
0%
13mph
WNW
Partly Cloudy
Humidity
65%
Feels like
8°F
Dew Point
11°F
4 AM
20°F
0%
11mph
WNW
Partly Cloudy
Humidity
67%
Feels like
9°F
Dew Point
11°F
5 AM
20°F
0%
9mph
WNW
Partly Cloudy
Humidity
69%
Feels like
10°F
Dew Point
12°F
6 AM
20°F
0%
7mph
W
Partly Cloudy
Humidity
70%
Feels like
11°F
Dew Point
12°F
7 AM
21°F
0%
6mph
W
Partly Cloudy
Humidity
68%
Feels like
13°F
Dew Point
12°F
7:31 AM
8 AM
23°F
0%
6mph
WSW
Partly Cloudy
Humidity
63%
Feels like
16°F
Dew Point
12°F
9 AM
25°F
0%
6mph
SW
Partly Cloudy
Humidity
58%
Feels like
18°F
Dew Point
12°F
10 AM
27°F
0%
6mph
SW
Partly Cloudy
Humidity
53%
Feels like
20°F
Dew Point
12°F
11 AM
29°F
0%
7mph
SSW
Mostly Sunny
Humidity
51%
Feels like
22°F
Dew Point
13°F
12 PM
31°F
0%
8mph
SSW
Mostly Sunny
Humidity
49%
Feels like
23°F
Dew Point
14°F
1 PM
32°F
0%
9mph
S
Mostly Sunny
Humidity
48%
Feels like
25°F
Dew Point
15°F
2 PM
33°F
0%
9mph
S
Partly Cloudy
Humidity
48%
Feels like
25°F
Dew Point
15°F
3 PM
33°F
0%
10mph
S
Mostly Cloudy
Humidity
50%
Feels like
25°F
Dew Point
16°F
4 PM
32°F
0%
9mph
S
Cloudy
Humidity
53%
Feels like
24°F
Dew Point
17°F
4:46 PM
5 PM
32°F
0%
9mph
S
Cloudy
Humidity
55%
Feels like
24°F
Dew Point
17°F
6 PM
31°F
0%
9mph
S
Cloudy
Humidity
56%
Feels like
24°F
Dew Point
17°F
7 PM
31°F
0%
8mph
S
Cloudy
Humidity
57%
Feels like
24°F
Dew Point
18°F
8 PM
31°F
0%
8mph
S
Mostly Cloudy
Humidity
58%
Feels like
24°F
Dew Point
19°F
9 PM
32°F
0%
8mph
S
Partly Cloudy
Humidity
59%
Feels like
25°F
Dew Point
19°F
10 PM
32°F
0%
8mph
SSW
Partly Cloudy
Humidity
59%
Feels like
25°F
Dew Point
19°F
11 PM
32°F
10%
8mph
SSW
Partly Cloudy
Humidity
60%
Feels like
26°F
Dew Point
20°F

Rainfall and Snowfall Totals Through Wednesday

Heavy Rain, Snow, and Winds Wallop Northwest

The atmospheric river this week continues to hit the Pacific Northwest with heavy rain, snow, and high winds.

Wednesday's Weather Outlook

Wednesday'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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