Hourly Weather Forecast - Glen Carbon, IL

12 AM
48°F
10%
12mph
SW
Mostly Cloudy
Humidity
63%
Feels like
43°F
Dew Point
36°F
1 AM
47°F
10%
12mph
WSW
Cloudy
Humidity
66%
Feels like
42°F
Dew Point
37°F
2 AM
47°F
10%
12mph
WSW
Cloudy
Humidity
68%
Feels like
41°F
Dew Point
37°F
3 AM
46°F
10%
12mph
W
Cloudy
Humidity
71%
Feels like
40°F
Dew Point
37°F
4 AM
45°F
10%
13mph
W
Partly Cloudy
Humidity
72%
Feels like
39°F
Dew Point
37°F
5 AM
44°F
0%
13mph
W
Partly Cloudy
Humidity
73%
Feels like
38°F
Dew Point
36°F
6 AM
43°F
0%
15mph
W
Mostly Cloudy
Humidity
73%
Feels like
36°F
Dew Point
35°F
7 AM
43°F
0%
16mph
W
Mostly Cloudy
Humidity
71%
Feels like
35°F
Dew Point
34°F
7:06 AM
8 AM
43°F
0%
17mph
WNW
Cloudy
Humidity
67%
Feels like
35°F
Dew Point
33°F
9 AM
43°F
0%
19mph
WNW
Cloudy
Humidity
65%
Feels like
34°F
Dew Point
32°F
10 AM
42°F
0%
19mph
WNW
Cloudy
Humidity
64%
Feels like
33°F
Dew Point
30°F
11 AM
40°F
0%
19mph
WNW
Mostly Cloudy
Humidity
64%
Feels like
31°F
Dew Point
29°F
12 PM
39°F
0%
19mph
NW
Mostly Cloudy
Humidity
65%
Feels like
30°F
Dew Point
28°F
1 PM
38°F
10%
17mph
NW
Partly Cloudy
Humidity
65%
Feels like
29°F
Dew Point
28°F
2 PM
37°F
10%
16mph
NW
Partly Cloudy
Humidity
65%
Feels like
28°F
Dew Point
27°F
3 PM
36°F
10%
14mph
NW
Partly Cloudy
Humidity
67%
Feels like
27°F
Dew Point
26°F
4 PM
35°F
0%
12mph
NW
Partly Cloudy
Humidity
70%
Feels like
26°F
Dew Point
26°F
4:38 PM
5 PM
34°F
0%
11mph
NW
Partly Cloudy
Humidity
72%
Feels like
26°F
Dew Point
26°F
6 PM
34°F
0%
9mph
NW
Partly Cloudy
Humidity
72%
Feels like
26°F
Dew Point
26°F
7 PM
34°F
0%
9mph
NW
Partly Cloudy
Humidity
71%
Feels like
27°F
Dew Point
26°F
8 PM
33°F
0%
8mph
NW
Partly Cloudy
Humidity
72%
Feels like
27°F
Dew Point
26°F
9 PM
33°F
0%
8mph
NW
Partly Cloudy
Humidity
74%
Feels like
26°F
Dew Point
25°F
10 PM
32°F
0%
7mph
NW
Partly Cloudy
Humidity
75%
Feels like
25°F
Dew Point
25°F
11 PM
31°F
0%
7mph
NW
Partly Cloudy
Humidity
77%
Feels like
24°F
Dew Point
25°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks 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