Hourly Weather Forecast - Glen Carbon, IL

12 AM
58°F
30%
6mph
S
30% Chance Rain Showers
Humidity
79%
Feels like
58°F
Dew Point
51°F
1 AM
57°F
30%
6mph
S
30% Chance Rain Showers
Humidity
82%
Feels like
57°F
Dew Point
52°F
2 AM
56°F
30%
6mph
S
30% Chance Rain Showers
Humidity
85%
Feels like
56°F
Dew Point
52°F
3 AM
56°F
0%
6mph
SSW
Partly Cloudy
Humidity
89%
Feels like
56°F
Dew Point
52°F
4 AM
55°F
0%
5mph
SSW
Hazy
Humidity
92%
Feels like
55°F
Dew Point
53°F
5 AM
54°F
0%
4mph
SSW
Hazy
Humidity
94%
Feels like
54°F
Dew Point
53°F
6 AM
54°F
0%
4mph
SSW
Hazy
Humidity
95%
Feels like
54°F
Dew Point
52°F
6:54 AM
7 AM
56°F
0%
4mph
SSW
Hazy
Humidity
92%
Feels like
56°F
Dew Point
54°F
8 AM
60°F
0%
5mph
SSW
Hazy
Humidity
91%
Feels like
60°F
Dew Point
57°F
9 AM
65°F
0%
6mph
SSW
Mostly Sunny
Humidity
81%
Feels like
65°F
Dew Point
60°F
10 AM
70°F
0%
7mph
SSW
Partly Cloudy
Humidity
73%
Feels like
70°F
Dew Point
61°F
11 AM
74°F
0%
8mph
SW
Partly Cloudy
Humidity
64%
Feels like
74°F
Dew Point
61°F
12 PM
78°F
10%
8mph
SW
Partly Cloudy
Humidity
58%
Feels like
78°F
Dew Point
62°F
1 PM
81°F
10%
9mph
WSW
Partly Cloudy
Humidity
51%
Feels like
82°F
Dew Point
62°F
2 PM
83°F
10%
9mph
W
Mostly Cloudy
Humidity
48%
Feels like
83°F
Dew Point
61°F
3 PM
83°F
10%
11mph
NW
Mostly Cloudy
Humidity
46%
Feels like
83°F
Dew Point
60°F
4 PM
82°F
10%
11mph
NNW
Cloudy
Humidity
46%
Feels like
82°F
Dew Point
59°F
5 PM
79°F
10%
11mph
N
Cloudy
Humidity
48%
Feels like
79°F
Dew Point
58°F
6 PM
76°F
10%
10mph
N
Mostly Cloudy
Humidity
53%
Feels like
76°F
Dew Point
58°F
7 PM
73°F
10%
9mph
N
Mostly Cloudy
Humidity
58%
Feels like
73°F
Dew Point
57°F
7:17 PM
8 PM
70°F
10%
9mph
N
Mostly Cloudy
Humidity
61%
Feels like
70°F
Dew Point
56°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide