Hourly Weather Forecast - Granite City, IL

12 AM
61°F
40%
6mph
SSE
40% Chance Rain Showers
Humidity
71%
Feels like
61°F
Dew Point
51°F
1 AM
60°F
30%
5mph
S
30% Chance Rain Showers
Humidity
73%
Feels like
60°F
Dew Point
51°F
2 AM
59°F
30%
5mph
S
30% Chance Rain Showers
Humidity
75%
Feels like
59°F
Dew Point
51°F
3 AM
58°F
30%
4mph
SSW
30% Chance Rain Showers
Humidity
77%
Feels like
58°F
Dew Point
51°F
4 AM
58°F
30%
4mph
SSW
30% Chance Rain Showers
Humidity
80%
Feels like
58°F
Dew Point
52°F
5 AM
57°F
30%
3mph
SSW
30% Chance Rain Showers
Humidity
82%
Feels like
57°F
Dew Point
52°F
6 AM
57°F
30%
3mph
SSW
30% Chance Rain Showers
Humidity
83%
Feels like
57°F
Dew Point
52°F
6:54 AM
7 AM
59°F
10%
3mph
SSW
Partly Cloudy
Humidity
79%
Feels like
59°F
Dew Point
52°F
8 AM
62°F
10%
4mph
SSW
Partly Cloudy
Humidity
77%
Feels like
62°F
Dew Point
55°F
9 AM
67°F
10%
5mph
SW
Partly Cloudy
Humidity
70%
Feels like
67°F
Dew Point
57°F
10 AM
72°F
10%
6mph
SW
Partly Cloudy
Humidity
62%
Feels like
72°F
Dew Point
58°F
11 AM
76°F
10%
8mph
SW
Partly Cloudy
Humidity
55%
Feels like
76°F
Dew Point
58°F
12 PM
79°F
10%
8mph
SW
Partly Cloudy
Humidity
49%
Feels like
79°F
Dew Point
58°F
1 PM
80°F
10%
8mph
SW
Partly Cloudy
Humidity
45%
Feels like
81°F
Dew Point
57°F
2 PM
81°F
10%
9mph
SW
Partly Cloudy
Humidity
44%
Feels like
81°F
Dew Point
58°F
3 PM
82°F
10%
9mph
WSW
Partly Cloudy
Humidity
44%
Feels like
82°F
Dew Point
58°F
4 PM
82°F
20%
9mph
WSW
Mostly Cloudy
Humidity
45%
Feels like
82°F
Dew Point
58°F
5 PM
80°F
20%
9mph
W
Mostly Cloudy
Humidity
46%
Feels like
81°F
Dew Point
58°F
6 PM
80°F
30%
9mph
NNW
30% Chance Rain Showers
Humidity
46%
Feels like
80°F
Dew Point
57°F
7 PM
78°F
40%
8mph
N
40% Chance Rain Showers
Humidity
47%
Feels like
78°F
Dew Point
57°F
7:18 PM
8 PM
78°F
40%
8mph
NNE
40% Chance Rain Showers
Humidity
48%
Feels like
78°F
Dew Point
56°F
9 PM
75°F
50%
8mph
NNE
50% Chance Rain Showers
Humidity
50%
Feels like
75°F
Dew Point
56°F
10 PM
73°F
50%
8mph
NNE
50% Chance Rain Showers
Humidity
53%
Feels like
73°F
Dew Point
55°F
11 PM
70°F
60%
11mph
NNE
60% Chance Rain Showers
Humidity
54%
Feels like
70°F
Dew Point
52°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

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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