Hourly Weather Forecast - Glen Carbon, IL

12 AM
31°F
0%
4mph
SE
Partly Cloudy
Humidity
68%
Feels like
27°F
Dew Point
22°F
1 AM
31°F
0%
5mph
SE
Partly Cloudy
Humidity
68%
Feels like
26°F
Dew Point
22°F
2 AM
31°F
10%
5mph
SE
Partly Cloudy
Humidity
69%
Feels like
26°F
Dew Point
22°F
3 AM
30°F
10%
5mph
SE
Partly Cloudy
Humidity
70%
Feels like
25°F
Dew Point
22°F
4 AM
30°F
10%
5mph
SE
Partly Cloudy
Humidity
72%
Feels like
25°F
Dew Point
22°F
5 AM
30°F
10%
5mph
SE
Partly Cloudy
Humidity
73%
Feels like
24°F
Dew Point
22°F
6 AM
30°F
10%
5mph
SE
Mostly Cloudy
Humidity
73%
Feels like
24°F
Dew Point
22°F
7 AM
31°F
10%
5mph
SE
Mostly Cloudy
Humidity
71%
Feels like
25°F
Dew Point
22°F
7:14 AM
8 AM
33°F
10%
5mph
SSE
Mostly Cloudy
Humidity
68%
Feels like
28°F
Dew Point
24°F
9 AM
36°F
10%
6mph
SSE
Mostly Cloudy
Humidity
63%
Feels like
31°F
Dew Point
25°F
10 AM
39°F
10%
6mph
SSE
Partly Cloudy
Humidity
57%
Feels like
35°F
Dew Point
25°F
11 AM
42°F
10%
7mph
SSE
Mostly Sunny
Humidity
52%
Feels like
38°F
Dew Point
26°F
12 PM
44°F
10%
7mph
SSE
Sunny
Humidity
49%
Feels like
40°F
Dew Point
26°F
1 PM
46°F
10%
7mph
SSE
Sunny
Humidity
47%
Feels like
43°F
Dew Point
27°F
2 PM
47°F
10%
6mph
SSE
Sunny
Humidity
48%
Feels like
44°F
Dew Point
28°F
3 PM
46°F
10%
6mph
SSE
Sunny
Humidity
50%
Feels like
43°F
Dew Point
29°F
4 PM
45°F
10%
6mph
SSE
Mostly Sunny
Humidity
54%
Feels like
41°F
Dew Point
29°F
4:42 PM
5 PM
44°F
0%
6mph
SSE
Partly Cloudy
Humidity
58%
Feels like
40°F
Dew Point
30°F
6 PM
43°F
0%
7mph
SSE
Partly Cloudy
Humidity
62%
Feels like
39°F
Dew Point
31°F
7 PM
42°F
0%
7mph
SSE
Partly Cloudy
Humidity
66%
Feels like
38°F
Dew Point
32°F
8 PM
42°F
0%
7mph
S
Partly Cloudy
Humidity
69%
Feels like
38°F
Dew Point
33°F
9 PM
42°F
10%
7mph
S
Partly Cloudy
Humidity
73%
Feels like
38°F
Dew Point
34°F
10 PM
43°F
10%
7mph
S
Partly Cloudy
Humidity
74%
Feels like
39°F
Dew Point
35°F
11 PM
44°F
10%
7mph
S
Mostly Clear
Humidity
78%
Feels like
40°F
Dew Point
37°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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