Hourly Weather Forecast - Lemont, IL

12 AM
28°F
10%
10mph
WNW
Clear
Humidity
65%
Feels like
19°F
Dew Point
18°F
1 AM
27°F
0%
9mph
WNW
Clear
Humidity
65%
Feels like
18°F
Dew Point
17°F
2 AM
26°F
0%
9mph
WNW
Clear
Humidity
65%
Feels like
17°F
Dew Point
16°F
3 AM
25°F
0%
8mph
WNW
Clear
Humidity
62%
Feels like
16°F
Dew Point
14°F
4 AM
24°F
0%
8mph
WNW
Clear
Humidity
63%
Feels like
15°F
Dew Point
13°F
5 AM
23°F
0%
7mph
WNW
Clear
Humidity
64%
Feels like
15°F
Dew Point
12°F
6 AM
22°F
0%
6mph
WNW
Clear
Humidity
65%
Feels like
14°F
Dew Point
12°F
7 AM
21°F
0%
5mph
WNW
Clear
Humidity
63%
Feels like
14°F
Dew Point
11°F
7:15 AM
8 AM
22°F
0%
5mph
WNW
Sunny
Humidity
60%
Feels like
15°F
Dew Point
10°F
9 AM
23°F
0%
5mph
WNW
Sunny
Humidity
56%
Feels like
17°F
Dew Point
10°F
10 AM
26°F
0%
4mph
WNW
Sunny
Humidity
51%
Feels like
20°F
Dew Point
10°F
11 AM
28°F
0%
4mph
W
Sunny
Humidity
47%
Feels like
23°F
Dew Point
10°F
12 PM
29°F
0%
4mph
W
Sunny
Humidity
44%
Feels like
25°F
Dew Point
10°F
1 PM
31°F
10%
4mph
W
Sunny
Humidity
41%
Feels like
27°F
Dew Point
10°F
2 PM
31°F
10%
4mph
W
Sunny
Humidity
41%
Feels like
27°F
Dew Point
11°F
3 PM
31°F
10%
3mph
W
Sunny
Humidity
43%
Feels like
28°F
Dew Point
11°F
4 PM
30°F
10%
3mph
W
Sunny
Humidity
46%
Feels like
30°F
Dew Point
12°F
4:24 PM
5 PM
29°F
10%
2mph
W
Mostly Clear
Humidity
51%
Feels like
29°F
Dew Point
13°F
6 PM
28°F
10%
2mph
W
Mostly Clear
Humidity
55%
Feels like
28°F
Dew Point
14°F
7 PM
27°F
10%
2mph
W
Mostly Clear
Humidity
57%
Feels like
27°F
Dew Point
14°F
8 PM
27°F
10%
2mph
WSW
Clear
Humidity
57%
Feels like
27°F
Dew Point
14°F
9 PM
27°F
10%
3mph
WSW
Mostly Clear
Humidity
58%
Feels like
23°F
Dew Point
14°F
10 PM
26°F
10%
3mph
SW
Partly Cloudy
Humidity
61%
Feels like
22°F
Dew Point
15°F
11 PM
26°F
10%
3mph
S
Partly Cloudy
Humidity
64%
Feels like
22°F
Dew Point
15°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

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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