Hourly Weather Forecast - Glen Carbon, IL

12 AM
34°F
0%
5mph
NNW
Clear
Humidity
71%
Feels like
30°F
Dew Point
26°F
1 AM
33°F
0%
4mph
NW
Clear
Humidity
71%
Feels like
29°F
Dew Point
25°F
2 AM
32°F
0%
4mph
NW
Clear
Humidity
72%
Feels like
29°F
Dew Point
24°F
3 AM
31°F
0%
3mph
NW
Clear
Humidity
73%
Feels like
31°F
Dew Point
24°F
4 AM
30°F
0%
3mph
NW
Clear
Humidity
75%
Feels like
30°F
Dew Point
23°F
5 AM
29°F
0%
2mph
NW
Clear
Humidity
78%
Feels like
29°F
Dew Point
23°F
6 AM
29°F
0%
2mph
NNW
Clear
Humidity
80%
Feels like
29°F
Dew Point
23°F
7 AM
29°F
0%
2mph
NNW
Clear
Humidity
78%
Feels like
29°F
Dew Point
24°F
7:14 AM
8 AM
32°F
0%
2mph
NNW
Sunny
Humidity
75%
Feels like
32°F
Dew Point
25°F
9 AM
35°F
0%
2mph
NNW
Sunny
Humidity
70%
Feels like
35°F
Dew Point
26°F
10 AM
38°F
0%
2mph
NNW
Sunny
Humidity
62%
Feels like
38°F
Dew Point
26°F
11 AM
39°F
0%
2mph
NNW
Sunny
Humidity
55%
Feels like
39°F
Dew Point
25°F
12 PM
41°F
0%
2mph
NNW
Sunny
Humidity
51%
Feels like
41°F
Dew Point
24°F
1 PM
41°F
0%
1mph
N
Mostly Sunny
Humidity
49%
Feels like
41°F
Dew Point
23°F
2 PM
41°F
0%
1mph
N
Mostly Sunny
Humidity
48%
Feels like
41°F
Dew Point
23°F
3 PM
40°F
0%
1mph
NNE
Partly Cloudy
Humidity
50%
Feels like
40°F
Dew Point
23°F
4 PM
38°F
0%
1mph
NNE
Mostly Sunny
Humidity
54%
Feels like
38°F
Dew Point
23°F
4:41 PM
5 PM
35°F
0%
1mph
ENE
Mostly Clear
Humidity
61%
Feels like
35°F
Dew Point
23°F
6 PM
33°F
0%
2mph
E
Mostly Clear
Humidity
70%
Feels like
33°F
Dew Point
24°F
7 PM
32°F
0%
2mph
E
Partly Cloudy
Humidity
69%
Feels like
32°F
Dew Point
23°F
8 PM
31°F
0%
3mph
ESE
Partly Cloudy
Humidity
69%
Feels like
31°F
Dew Point
22°F
9 PM
31°F
0%
3mph
ESE
Partly Cloudy
Humidity
69%
Feels like
28°F
Dew Point
22°F
10 PM
31°F
0%
4mph
ESE
Partly Cloudy
Humidity
68%
Feels like
27°F
Dew Point
22°F
11 PM
31°F
0%
4mph
SE
Partly Cloudy
Humidity
69%
Feels like
27°F
Dew Point
22°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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