Hourly Weather Forecast - McLean, IL

12 AM
40°F
20%
18mph
WSW
Cloudy
Humidity
90%
Feels like
30°F
Dew Point
37°F
1 AM
40°F
10%
19mph
WSW
Mostly Cloudy
Humidity
91%
Feels like
30°F
Dew Point
37°F
2 AM
39°F
10%
19mph
W
Mostly Cloudy
Humidity
91%
Feels like
30°F
Dew Point
37°F
3 AM
39°F
10%
19mph
W
Cloudy
Humidity
91%
Feels like
29°F
Dew Point
36°F
4 AM
38°F
10%
20mph
W
Cloudy
Humidity
90%
Feels like
28°F
Dew Point
35°F
5 AM
37°F
10%
21mph
W
Windy
Humidity
89%
Feels like
27°F
Dew Point
34°F
6 AM
36°F
10%
21mph
W
Windy
Humidity
88%
Feels like
25°F
Dew Point
33°F
7 AM
35°F
10%
22mph
W
Windy
Humidity
88%
Feels like
24°F
Dew Point
32°F
7:08 AM
8 AM
34°F
10%
22mph
W
Windy
Humidity
89%
Feels like
22°F
Dew Point
31°F
9 AM
33°F
30%
22mph
WNW
30% Chance of Snow
Humidity
89%
Feels like
21°F
Dew Point
30°F
10 AM
33°F
10%
22mph
WNW
Windy
Humidity
88%
Feels like
20°F
Dew Point
29°F
11 AM
32°F
10%
22mph
NW
Windy
Humidity
85%
Feels like
20°F
Dew Point
28°F
12 PM
32°F
10%
21mph
NW
Windy
Humidity
83%
Feels like
20°F
Dew Point
28°F
1 PM
33°F
20%
21mph
NW
Windy
Humidity
81%
Feels like
21°F
Dew Point
27°F
2 PM
33°F
10%
20mph
NW
Mostly Cloudy
Humidity
79%
Feels like
21°F
Dew Point
27°F
3 PM
33°F
10%
18mph
NW
Mostly Cloudy
Humidity
78%
Feels like
21°F
Dew Point
27°F
4 PM
32°F
0%
17mph
NW
Mostly Cloudy
Humidity
78%
Feels like
21°F
Dew Point
26°F
4:30 PM
5 PM
31°F
0%
14mph
NW
Mostly Cloudy
Humidity
79%
Feels like
20°F
Dew Point
25°F
6 PM
30°F
10%
13mph
NW
Mostly Cloudy
Humidity
81%
Feels like
20°F
Dew Point
25°F
7 PM
29°F
10%
12mph
NW
Mostly Cloudy
Humidity
83%
Feels like
19°F
Dew Point
24°F
8 PM
28°F
10%
11mph
WNW
Mostly Cloudy
Humidity
85%
Feels like
18°F
Dew Point
24°F
9 PM
27°F
30%
11mph
WNW
30% Chance of Snow
Humidity
87%
Feels like
17°F
Dew Point
24°F
10 PM
26°F
10%
10mph
WNW
Cloudy
Humidity
87%
Feels like
16°F
Dew Point
23°F
11 PM
25°F
0%
10mph
WNW
Cloudy
Humidity
85%
Feels like
15°F
Dew Point
21°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, Flooding Rain Impacts 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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Traffic Cameras

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Outdoor Sports Guide