Hourly Weather Forecast - Granite City, IL

12 AM
70°F
0%
6mph
SSW
Clear
Humidity
58%
Feels like
70°F
Dew Point
55°F
1 AM
69°F
0%
7mph
SSW
Clear
Humidity
60%
Feels like
69°F
Dew Point
55°F
2 AM
69°F
0%
7mph
SSW
Clear
Humidity
60%
Feels like
69°F
Dew Point
54°F
3 AM
68°F
0%
6mph
SSW
Clear
Humidity
61%
Feels like
68°F
Dew Point
54°F
4 AM
67°F
0%
6mph
SSW
Clear
Humidity
63%
Feels like
67°F
Dew Point
54°F
5 AM
66°F
0%
6mph
SSW
Clear
Humidity
63%
Feels like
66°F
Dew Point
53°F
6 AM
66°F
0%
6mph
SSW
Clear
Humidity
64%
Feels like
66°F
Dew Point
53°F
7 AM
67°F
0%
6mph
SSW
Clear
Humidity
62%
Feels like
67°F
Dew Point
54°F
7:01 AM
8 AM
70°F
0%
6mph
SSW
Sunny
Humidity
59%
Feels like
70°F
Dew Point
55°F
9 AM
74°F
0%
7mph
SSW
Sunny
Humidity
56%
Feels like
74°F
Dew Point
58°F
10 AM
78°F
0%
7mph
SSW
Sunny
Humidity
51%
Feels like
78°F
Dew Point
58°F
11 AM
82°F
0%
7mph
SSW
Mostly Sunny
Humidity
45%
Feels like
82°F
Dew Point
58°F
12 PM
84°F
0%
6mph
SW
Partly Cloudy
Humidity
41%
Feels like
84°F
Dew Point
58°F
1 PM
86°F
0%
5mph
WSW
Partly Cloudy
Humidity
38%
Feels like
85°F
Dew Point
58°F
2 PM
87°F
0%
6mph
W
Partly Cloudy
Humidity
38%
Feels like
86°F
Dew Point
58°F
3 PM
86°F
0%
6mph
WNW
Mostly Cloudy
Humidity
37%
Feels like
85°F
Dew Point
57°F
4 PM
84°F
10%
9mph
NW
Cloudy
Humidity
38%
Feels like
83°F
Dew Point
56°F
5 PM
79°F
20%
12mph
NNW
Cloudy
Humidity
38%
Feels like
79°F
Dew Point
51°F
6 PM
72°F
20%
16mph
N
Mostly Cloudy
Humidity
41%
Feels like
72°F
Dew Point
47°F
7 PM
66°F
20%
18mph
N
Partly Cloudy
Humidity
45%
Feels like
66°F
Dew Point
44°F
7:14 PM
8 PM
61°F
20%
17mph
N
Partly Cloudy
Humidity
50%
Feels like
61°F
Dew Point
42°F
9 PM
58°F
20%
15mph
N
Partly Cloudy
Humidity
52%
Feels like
58°F
Dew Point
40°F
10 PM
55°F
20%
13mph
N
Partly Cloudy
Humidity
56%
Feels like
55°F
Dew Point
39°F
11 PM
53°F
10%
12mph
N
Partly Cloudy
Humidity
57%
Feels like
53°F
Dew Point
38°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?

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