Hourly Weather Forecast - Lemont, IL

7 AM
36°F
30%
13mph
WNW
30% Chance of Light Rain
Humidity
99%
Feels like
27°F
Dew Point
35°F
7:07 AM
8 AM
35°F
70%
12mph
WNW
70% Chance Frozen Mix
Humidity
98%
Feels like
27°F
Dew Point
35°F
9 AM
35°F
40%
12mph
NW
40% Chance Frozen Mix
Humidity
98%
Feels like
27°F
Dew Point
34°F
10 AM
34°F
30%
13mph
NNW
30% Chance of Snow
Humidity
94%
Feels like
25°F
Dew Point
33°F
11 AM
33°F
30%
14mph
NNW
30% Chance of Snow
Humidity
88%
Feels like
24°F
Dew Point
30°F
12 PM
33°F
10%
15mph
NNW
Cloudy
Humidity
83%
Feels like
23°F
Dew Point
28°F
1 PM
32°F
0%
14mph
NNW
Mostly Cloudy
Humidity
81%
Feels like
22°F
Dew Point
26°F
2 PM
31°F
0%
13mph
NNW
Partly Cloudy
Humidity
81%
Feels like
21°F
Dew Point
26°F
3 PM
30°F
0%
12mph
NNW
Mostly Cloudy
Humidity
81%
Feels like
20°F
Dew Point
25°F
4 PM
30°F
0%
11mph
NW
Mostly Cloudy
Humidity
79%
Feels like
20°F
Dew Point
24°F
4:21 PM
5 PM
29°F
0%
9mph
NW
Mostly Cloudy
Humidity
80%
Feels like
21°F
Dew Point
24°F
6 PM
29°F
0%
8mph
NW
Mostly Cloudy
Humidity
83%
Feels like
21°F
Dew Point
24°F
7 PM
28°F
30%
7mph
NW
30% Chance of Snow
Humidity
84%
Feels like
21°F
Dew Point
24°F
8 PM
28°F
0%
6mph
NW
Cloudy
Humidity
86%
Feels like
22°F
Dew Point
25°F
9 PM
28°F
0%
6mph
NW
Cloudy
Humidity
86%
Feels like
21°F
Dew Point
24°F
10 PM
28°F
10%
6mph
NW
Cloudy
Humidity
85%
Feels like
21°F
Dew Point
24°F
11 PM
27°F
30%
6mph
NW
30% Chance of Snow
Humidity
84%
Feels like
21°F
Dew Point
23°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

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