Hourly Weather Forecast - Glen Carbon, IL

12 AM
27°F
0%
14mph
WNW
Clear
Humidity
60%
Feels like
15°F
Dew Point
15°F
1 AM
26°F
0%
14mph
WNW
Clear
Humidity
60%
Feels like
14°F
Dew Point
14°F
2 AM
25°F
0%
14mph
WNW
Clear
Humidity
62%
Feels like
13°F
Dew Point
14°F
3 AM
25°F
0%
14mph
WNW
Clear
Humidity
63%
Feels like
13°F
Dew Point
14°F
4 AM
24°F
0%
13mph
WNW
Clear
Humidity
64%
Feels like
12°F
Dew Point
14°F
5 AM
24°F
0%
12mph
WNW
Clear
Humidity
64%
Feels like
12°F
Dew Point
13°F
6 AM
23°F
0%
11mph
WNW
Clear
Humidity
64%
Feels like
12°F
Dew Point
13°F
7 AM
23°F
0%
10mph
WNW
Clear
Humidity
62%
Feels like
13°F
Dew Point
12°F
7:13 AM
8 AM
25°F
0%
9mph
WNW
Sunny
Humidity
54%
Feels like
16°F
Dew Point
11°F
9 AM
27°F
0%
9mph
WNW
Sunny
Humidity
51%
Feels like
19°F
Dew Point
12°F
10 AM
30°F
0%
8mph
WNW
Sunny
Humidity
48%
Feels like
23°F
Dew Point
13°F
11 AM
32°F
0%
6mph
W
Sunny
Humidity
47%
Feels like
26°F
Dew Point
14°F
12 PM
34°F
0%
6mph
W
Sunny
Humidity
46%
Feels like
29°F
Dew Point
15°F
1 PM
35°F
0%
5mph
WSW
Sunny
Humidity
44%
Feels like
31°F
Dew Point
16°F
2 PM
36°F
0%
4mph
WSW
Sunny
Humidity
43%
Feels like
33°F
Dew Point
16°F
3 PM
36°F
0%
4mph
SW
Sunny
Humidity
43%
Feels like
33°F
Dew Point
16°F
4 PM
35°F
0%
4mph
SSW
Sunny
Humidity
47%
Feels like
31°F
Dew Point
16°F
4:40 PM
5 PM
33°F
0%
5mph
SSE
Clear
Humidity
51%
Feels like
29°F
Dew Point
17°F
6 PM
32°F
0%
6mph
SSE
Clear
Humidity
58%
Feels like
27°F
Dew Point
19°F
7 PM
32°F
0%
7mph
SSE
Clear
Humidity
59%
Feels like
26°F
Dew Point
20°F
8 PM
33°F
0%
9mph
SSE
Clear
Humidity
60%
Feels like
25°F
Dew Point
20°F
9 PM
33°F
0%
9mph
SSE
Clear
Humidity
61%
Feels like
25°F
Dew Point
21°F
10 PM
34°F
0%
10mph
SSE
Clear
Humidity
61%
Feels like
26°F
Dew Point
22°F
11 PM
34°F
0%
9mph
S
Clear
Humidity
63%
Feels like
27°F
Dew Point
23°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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