Hourly Weather Forecast - Lemont, IL

12 AM
26°F
10%
4mph
SSE
Mostly Cloudy
Humidity
68%
Feels like
21°F
Dew Point
17°F
1 AM
26°F
10%
4mph
SSE
Cloudy
Humidity
67%
Feels like
22°F
Dew Point
17°F
2 AM
27°F
10%
4mph
SSE
Cloudy
Humidity
67%
Feels like
23°F
Dew Point
18°F
3 AM
28°F
10%
4mph
SSE
Cloudy
Humidity
65%
Feels like
24°F
Dew Point
18°F
4 AM
29°F
10%
4mph
SSE
Cloudy
Humidity
67%
Feels like
25°F
Dew Point
19°F
5 AM
29°F
10%
4mph
SSE
Cloudy
Humidity
69%
Feels like
24°F
Dew Point
20°F
6 AM
28°F
10%
4mph
SSE
Cloudy
Humidity
70%
Feels like
23°F
Dew Point
20°F
7 AM
29°F
10%
4mph
SSE
Cloudy
Humidity
69%
Feels like
24°F
Dew Point
20°F
7:15 AM
8 AM
31°F
10%
5mph
SSE
Cloudy
Humidity
66%
Feels like
25°F
Dew Point
20°F
9 AM
33°F
10%
5mph
SSE
Mostly Cloudy
Humidity
60%
Feels like
28°F
Dew Point
21°F
10 AM
36°F
10%
6mph
SSE
Mostly Cloudy
Humidity
53%
Feels like
32°F
Dew Point
21°F
11 AM
39°F
10%
6mph
SSE
Mostly Cloudy
Humidity
47%
Feels like
34°F
Dew Point
20°F
12 PM
40°F
10%
6mph
SSE
Mostly Cloudy
Humidity
44%
Feels like
36°F
Dew Point
20°F
1 PM
41°F
10%
6mph
SSE
Mostly Cloudy
Humidity
44%
Feels like
37°F
Dew Point
21°F
2 PM
41°F
10%
6mph
SSE
Cloudy
Humidity
46%
Feels like
37°F
Dew Point
22°F
3 PM
41°F
10%
6mph
SSE
Cloudy
Humidity
50%
Feels like
36°F
Dew Point
23°F
4 PM
40°F
10%
6mph
SSE
Cloudy
Humidity
54%
Feels like
36°F
Dew Point
25°F
4:25 PM
5 PM
38°F
10%
6mph
SSE
Cloudy
Humidity
61%
Feels like
34°F
Dew Point
26°F
6 PM
37°F
10%
6mph
SSE
Cloudy
Humidity
72%
Feels like
32°F
Dew Point
29°F
7 PM
36°F
10%
7mph
SSE
Cloudy
Humidity
76%
Feels like
31°F
Dew Point
29°F
8 PM
37°F
10%
7mph
SSE
Cloudy
Humidity
74%
Feels like
31°F
Dew Point
29°F
9 PM
37°F
10%
7mph
S
Cloudy
Humidity
73%
Feels like
32°F
Dew Point
29°F
10 PM
37°F
10%
7mph
S
Cloudy
Humidity
76%
Feels like
32°F
Dew Point
31°F
11 PM
38°F
10%
7mph
S
Mostly Cloudy
Humidity
80%
Feels like
32°F
Dew Point
32°F

Rainfall and Snowfall Totals Through Thursday

Pineapple Express Slams Northwestern U.S.

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

Wednesday's Weather Outlook

Today's Weather Outlook

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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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