Hourly Weather Forecast - Lemont, IL

6 PM
37°F
70%
7mph
S
70% Chance of Light Rain
Humidity
94%
Feels like
31°F
Dew Point
35°F
7 PM
37°F
70%
9mph
S
70% Chance of Light Rain
Humidity
94%
Feels like
31°F
Dew Point
36°F
8 PM
38°F
60%
11mph
S
60% Chance of Light Rain
Humidity
93%
Feels like
31°F
Dew Point
36°F
9 PM
38°F
70%
13mph
S
70% Chance of Light Rain
Humidity
93%
Feels like
31°F
Dew Point
37°F
10 PM
39°F
70%
15mph
SSW
70% Chance of Light Rain
Humidity
93%
Feels like
31°F
Dew Point
37°F
11 PM
40°F
50%
15mph
SSW
50% Chance of Light Rain
Humidity
93%
Feels like
31°F
Dew Point
38°F

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Low pressure will produce a swath of snow from Minnesota to Maine into Thursday.

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

Wednesday's Weather Outlook

Wednesday'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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Traffic Cameras

Weather Cameras

Outdoor Sports Guide