Hourly Weather Forecast - McLean, IL

12 AM
29°F
0%
15mph
S
Mostly Clear
Humidity
65%
Feels like
17°F
Dew Point
18°F
1 AM
29°F
0%
15mph
S
Mostly Clear
Humidity
66%
Feels like
18°F
Dew Point
19°F
2 AM
30°F
0%
15mph
S
Mostly Clear
Humidity
67%
Feels like
19°F
Dew Point
20°F
3 AM
30°F
0%
15mph
S
Mostly Clear
Humidity
69%
Feels like
19°F
Dew Point
21°F
4 AM
31°F
0%
15mph
S
Mostly Clear
Humidity
69%
Feels like
20°F
Dew Point
22°F
5 AM
31°F
0%
15mph
S
Mostly Clear
Humidity
69%
Feels like
20°F
Dew Point
22°F
6 AM
32°F
0%
15mph
S
Mostly Clear
Humidity
69%
Feels like
21°F
Dew Point
23°F
7 AM
33°F
0%
14mph
S
Partly Cloudy
Humidity
69%
Feels like
23°F
Dew Point
24°F
7:15 AM
8 AM
34°F
0%
14mph
S
Partly Cloudy
Humidity
69%
Feels like
25°F
Dew Point
25°F
9 AM
35°F
0%
13mph
S
Partly Cloudy
Humidity
69%
Feels like
27°F
Dew Point
26°F
10 AM
38°F
0%
13mph
SSW
Mostly Cloudy
Humidity
67%
Feels like
29°F
Dew Point
28°F
11 AM
40°F
0%
13mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
33°F
Dew Point
29°F
12 PM
42°F
0%
13mph
SSW
Cloudy
Humidity
63%
Feels like
35°F
Dew Point
30°F
1 PM
43°F
10%
12mph
SW
Cloudy
Humidity
64%
Feels like
36°F
Dew Point
31°F
2 PM
43°F
10%
11mph
SW
Cloudy
Humidity
66%
Feels like
37°F
Dew Point
32°F
3 PM
42°F
10%
9mph
SW
Cloudy
Humidity
69%
Feels like
37°F
Dew Point
33°F
4 PM
41°F
10%
8mph
WSW
Cloudy
Humidity
73%
Feels like
35°F
Dew Point
33°F
4:33 PM
5 PM
38°F
10%
7mph
WSW
Cloudy
Humidity
79%
Feels like
33°F
Dew Point
32°F
6 PM
36°F
10%
7mph
W
Cloudy
Humidity
84%
Feels like
31°F
Dew Point
32°F
7 PM
35°F
10%
7mph
WNW
Cloudy
Humidity
86%
Feels like
30°F
Dew Point
31°F
8 PM
35°F
10%
7mph
WNW
Cloudy
Humidity
87%
Feels like
29°F
Dew Point
31°F
9 PM
34°F
10%
7mph
NW
Cloudy
Humidity
87%
Feels like
28°F
Dew Point
30°F
10 PM
33°F
10%
7mph
NW
Cloudy
Humidity
87%
Feels like
27°F
Dew Point
30°F
11 PM
33°F
10%
7mph
NW
Cloudy
Humidity
87%
Feels like
26°F
Dew Point
29°F

Rainfall Totals Through Wednesday A.M.

Heavy Rain Returns to Deluge Pacific Northwest

Another atmospheric river will hit the Pacific Northwest with heavy rain and high winds.

Monday's Weather Outlook

Today'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 person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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