Hourly Weather Forecast - Glen Carbon, IL

12 AM
36°F
80%
8mph
ENE
80% Chance of Sleet
Humidity
89%
Feels like
29°F
Dew Point
33°F
1 AM
35°F
70%
8mph
ENE
70% Chance Frozen Mix
Humidity
90%
Feels like
29°F
Dew Point
33°F
2 AM
35°F
50%
7mph
E
50% Chance of Light Rain
Humidity
92%
Feels like
29°F
Dew Point
33°F
3 AM
35°F
40%
7mph
E
40% Chance of Light Rain
Humidity
92%
Feels like
29°F
Dew Point
33°F
4 AM
35°F
30%
7mph
ENE
30% Chance of Light Rain
Humidity
90%
Feels like
29°F
Dew Point
33°F
5 AM
35°F
20%
7mph
ENE
Cloudy
Humidity
90%
Feels like
30°F
Dew Point
33°F
6 AM
36°F
10%
7mph
ENE
Cloudy
Humidity
88%
Feels like
30°F
Dew Point
33°F
6:31 AM
7 AM
38°F
10%
7mph
ENE
Mostly Cloudy
Humidity
90%
Feels like
32°F
Dew Point
35°F
8 AM
40°F
10%
7mph
ENE
Mostly Cloudy
Humidity
91%
Feels like
35°F
Dew Point
37°F
9 AM
41°F
10%
7mph
E
Cloudy
Humidity
88%
Feels like
37°F
Dew Point
38°F
10 AM
42°F
0%
7mph
E
Cloudy
Humidity
86%
Feels like
38°F
Dew Point
38°F
11 AM
44°F
0%
7mph
E
Cloudy
Humidity
85%
Feels like
40°F
Dew Point
40°F
12 PM
45°F
0%
6mph
E
Cloudy
Humidity
82%
Feels like
42°F
Dew Point
40°F
1 PM
46°F
0%
6mph
E
Cloudy
Humidity
80%
Feels like
43°F
Dew Point
40°F
2 PM
47°F
0%
5mph
E
Cloudy
Humidity
77%
Feels like
45°F
Dew Point
40°F
3 PM
48°F
0%
4mph
E
Cloudy
Humidity
76%
Feels like
46°F
Dew Point
41°F
4 PM
48°F
0%
4mph
E
Cloudy
Humidity
75%
Feels like
46°F
Dew Point
40°F
5 PM
46°F
0%
4mph
E
Cloudy
Humidity
76%
Feels like
45°F
Dew Point
39°F
5:53 PM
6 PM
44°F
0%
3mph
E
Cloudy
Humidity
82%
Feels like
43°F
Dew Point
39°F
7 PM
43°F
0%
3mph
E
Cloudy
Humidity
85%
Feels like
41°F
Dew Point
39°F
8 PM
42°F
0%
3mph
E
Cloudy
Humidity
88%
Feels like
41°F
Dew Point
39°F
9 PM
42°F
0%
3mph
E
Cloudy
Humidity
90%
Feels like
41°F
Dew Point
39°F
10 PM
42°F
0%
3mph
E
Cloudy
Humidity
90%
Feels like
42°F
Dew Point
39°F
11 PM
41°F
0%
2mph
ESE
Cloudy
Humidity
90%
Feels like
41°F
Dew Point
39°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains tonight through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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