Hourly Weather Forecast - McLean, IL

7 AM
29°F
0%
15mph
SSW
Hazy
Humidity
93%
Feels like
18°F
Dew Point
27°F
7:07 AM
8 AM
30°F
0%
14mph
SSW
Hazy
Humidity
94%
Feels like
19°F
Dew Point
28°F
9 AM
31°F
0%
14mph
SSW
Hazy
Humidity
94%
Feels like
21°F
Dew Point
29°F
10 AM
33°F
0%
14mph
SW
Partly Cloudy
Humidity
93%
Feels like
23°F
Dew Point
31°F
11 AM
35°F
0%
13mph
SW
Mostly Cloudy
Humidity
92%
Feels like
26°F
Dew Point
33°F
12 PM
36°F
0%
13mph
SW
Mostly Cloudy
Humidity
91%
Feels like
28°F
Dew Point
34°F
1 PM
37°F
0%
12mph
SSW
Partly Cloudy
Humidity
90%
Feels like
29°F
Dew Point
34°F
2 PM
37°F
10%
12mph
SSW
Partly Cloudy
Humidity
89%
Feels like
29°F
Dew Point
34°F
3 PM
37°F
10%
12mph
S
Mostly Cloudy
Humidity
89%
Feels like
29°F
Dew Point
35°F
4 PM
37°F
10%
13mph
S
Partly Cloudy
Humidity
89%
Feels like
29°F
Dew Point
35°F
4:30 PM
5 PM
37°F
10%
14mph
S
Cloudy
Humidity
90%
Feels like
29°F
Dew Point
35°F
6 PM
37°F
10%
14mph
S
Cloudy
Humidity
90%
Feels like
29°F
Dew Point
35°F
7 PM
38°F
20%
16mph
SSW
Cloudy
Humidity
90%
Feels like
29°F
Dew Point
35°F
8 PM
38°F
20%
17mph
SSW
Cloudy
Humidity
89%
Feels like
29°F
Dew Point
35°F
9 PM
38°F
30%
18mph
SSW
30% Chance of Light Rain
Humidity
89%
Feels like
29°F
Dew Point
35°F
10 PM
39°F
30%
18mph
SW
30% Chance of Light Rain
Humidity
90%
Feels like
29°F
Dew Point
36°F
11 PM
39°F
40%
18mph
SW
40% Chance of Light Rain
Humidity
90%
Feels like
30°F
Dew Point
37°F

Rainfall Forecast for Northwest through Thursday

Heavy, Flooding Rain Impacts the Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

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

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide