Hourly Weather Forecast - Glen Carbon, IL

12 AM
35°F
0%
9mph
S
Clear
Humidity
63%
Feels like
28°F
Dew Point
24°F
1 AM
35°F
0%
10mph
S
Clear
Humidity
65%
Feels like
28°F
Dew Point
25°F
2 AM
35°F
0%
9mph
S
Clear
Humidity
67%
Feels like
28°F
Dew Point
26°F
3 AM
35°F
0%
10mph
S
Mostly Clear
Humidity
68%
Feels like
28°F
Dew Point
26°F
4 AM
35°F
0%
10mph
S
Mostly Clear
Humidity
70%
Feels like
28°F
Dew Point
27°F
5 AM
36°F
0%
10mph
S
Mostly Clear
Humidity
71%
Feels like
28°F
Dew Point
27°F
6 AM
36°F
0%
11mph
S
Partly Cloudy
Humidity
70%
Feels like
28°F
Dew Point
27°F
7 AM
37°F
0%
10mph
S
Partly Cloudy
Humidity
69%
Feels like
30°F
Dew Point
28°F
7:13 AM
8 AM
40°F
0%
9mph
S
Partly Cloudy
Humidity
66%
Feels like
34°F
Dew Point
29°F
9 AM
43°F
0%
9mph
S
Partly Cloudy
Humidity
64%
Feels like
38°F
Dew Point
32°F
10 AM
47°F
0%
9mph
SSW
Partly Cloudy
Humidity
60%
Feels like
43°F
Dew Point
34°F
11 AM
50°F
0%
8mph
SSW
Partly Cloudy
Humidity
57%
Feels like
50°F
Dew Point
35°F
12 PM
52°F
0%
8mph
SSW
Partly Cloudy
Humidity
55%
Feels like
52°F
Dew Point
37°F
1 PM
54°F
0%
7mph
SW
Partly Cloudy
Humidity
53%
Feels like
54°F
Dew Point
37°F
2 PM
54°F
0%
6mph
WSW
Partly Cloudy
Humidity
54%
Feels like
54°F
Dew Point
38°F
3 PM
52°F
0%
6mph
W
Mostly Cloudy
Humidity
55%
Feels like
52°F
Dew Point
37°F
4 PM
49°F
0%
6mph
WNW
Mostly Cloudy
Humidity
60%
Feels like
47°F
Dew Point
36°F
4:41 PM
5 PM
47°F
0%
6mph
NW
Partly Cloudy
Humidity
62%
Feels like
44°F
Dew Point
35°F
6 PM
45°F
0%
7mph
NW
Partly Cloudy
Humidity
65%
Feels like
42°F
Dew Point
34°F
7 PM
44°F
0%
7mph
NNW
Mostly Cloudy
Humidity
65%
Feels like
40°F
Dew Point
33°F
8 PM
41°F
0%
7mph
NNW
Cloudy
Humidity
68%
Feels like
37°F
Dew Point
31°F
9 PM
38°F
0%
7mph
NNW
Cloudy
Humidity
71%
Feels like
33°F
Dew Point
30°F
10 PM
37°F
0%
6mph
NNW
Mostly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
28°F
11 PM
35°F
0%
6mph
NNW
Partly Cloudy
Humidity
72%
Feels like
30°F
Dew Point
27°F

Forecast Peak Wind Gusts Today

High Winds, Rain, and Snow Cross the Country

A clipper moving over the Great Lakes brings rain, snow, and high winds through the Atlantic Coastline.

Rainfall and Snowfall Totals Through Friday

Atmospheric River Symptoms Repeat in the Northwest

Thursday's Weather Outlook

Today's Weather Outlook

Flu Update Valid For Week Ending December 6, 2025

Weekly Flu Update: Flu Exceeds Annual Baseline

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

How to Measure Snow via NWS

How To Measure Snow

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