Hourly Weather Forecast - Lemont, IL

12 AM
37°F
0%
9mph
WSW
Foggy
Humidity
99%
Feels like
31°F
Dew Point
37°F
1 AM
37°F
0%
8mph
WSW
Cloudy
Humidity
98%
Feels like
31°F
Dew Point
37°F
2 AM
37°F
0%
8mph
WSW
Cloudy
Humidity
97%
Feels like
31°F
Dew Point
37°F
3 AM
37°F
0%
7mph
WSW
Cloudy
Humidity
96%
Feels like
31°F
Dew Point
36°F
4 AM
36°F
0%
6mph
WSW
Cloudy
Humidity
97%
Feels like
31°F
Dew Point
35°F
5 AM
35°F
0%
5mph
W
Cloudy
Humidity
97%
Feels like
30°F
Dew Point
34°F
6 AM
34°F
0%
4mph
W
Cloudy
Humidity
97%
Feels like
30°F
Dew Point
33°F
7 AM
34°F
0%
4mph
W
Partly Cloudy
Humidity
96%
Feels like
31°F
Dew Point
33°F
7:13 AM
8 AM
34°F
0%
3mph
WSW
Hazy
Humidity
94%
Feels like
32°F
Dew Point
33°F
9 AM
35°F
0%
2mph
WSW
Sunny
Humidity
89%
Feels like
35°F
Dew Point
33°F
10 AM
37°F
0%
2mph
W
Sunny
Humidity
84%
Feels like
37°F
Dew Point
32°F
11 AM
38°F
0%
2mph
W
Sunny
Humidity
79%
Feels like
38°F
Dew Point
32°F
12 PM
39°F
0%
2mph
WSW
Sunny
Humidity
77%
Feels like
39°F
Dew Point
32°F
1 PM
39°F
0%
2mph
SW
Sunny
Humidity
77%
Feels like
39°F
Dew Point
32°F
2 PM
38°F
0%
2mph
SSW
Sunny
Humidity
78%
Feels like
38°F
Dew Point
32°F
3 PM
38°F
0%
3mph
S
Sunny
Humidity
80%
Feels like
38°F
Dew Point
32°F
4 PM
37°F
0%
3mph
S
Sunny
Humidity
84%
Feels like
37°F
Dew Point
32°F
4:22 PM
5 PM
36°F
0%
4mph
S
Mostly Clear
Humidity
89%
Feels like
33°F
Dew Point
33°F
6 PM
36°F
0%
5mph
S
Partly Cloudy
Humidity
92%
Feels like
32°F
Dew Point
33°F
7 PM
36°F
0%
6mph
SSE
Partly Cloudy
Humidity
93%
Feels like
31°F
Dew Point
34°F
8 PM
37°F
0%
7mph
S
Mostly Cloudy
Humidity
94%
Feels like
31°F
Dew Point
35°F
9 PM
37°F
0%
8mph
S
Cloudy
Humidity
96%
Feels like
31°F
Dew Point
36°F
10 PM
38°F
0%
9mph
S
Mostly Cloudy
Humidity
97%
Feels like
32°F
Dew Point
37°F
11 PM
39°F
0%
10mph
S
Mostly Cloudy
Humidity
98%
Feels like
32°F
Dew Point
38°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

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

Cold Air Damming - Cause And Effects

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