Hourly Weather Forecast - Granite City, IL

9 AM
44°F
70%
19mph
WNW
70% Chance Rain Showers
Humidity
63%
Feels like
35°F
Dew Point
32°F
10 AM
42°F
70%
20mph
WNW
70% Chance of Light Rain
Humidity
60%
Feels like
33°F
Dew Point
29°F
11 AM
40°F
0%
20mph
NW
Cloudy
Humidity
58%
Feels like
31°F
Dew Point
27°F
12 PM
40°F
0%
20mph
NW
Cloudy
Humidity
57%
Feels like
30°F
Dew Point
26°F
1 PM
39°F
0%
18mph
NW
Cloudy
Humidity
58%
Feels like
30°F
Dew Point
26°F
2 PM
39°F
0%
17mph
NW
Mostly Cloudy
Humidity
59%
Feels like
30°F
Dew Point
26°F
3 PM
38°F
0%
15mph
NW
Mostly Cloudy
Humidity
61%
Feels like
29°F
Dew Point
25°F
4 PM
36°F
0%
13mph
NW
Mostly Cloudy
Humidity
62%
Feels like
28°F
Dew Point
25°F
4:38 PM
5 PM
35°F
0%
11mph
NW
Mostly Cloudy
Humidity
64%
Feels like
28°F
Dew Point
24°F
6 PM
35°F
0%
9mph
NW
Mostly Cloudy
Humidity
65%
Feels like
28°F
Dew Point
24°F
7 PM
35°F
0%
9mph
NW
Mostly Cloudy
Humidity
66%
Feels like
28°F
Dew Point
24°F
8 PM
34°F
0%
8mph
NW
Mostly Cloudy
Humidity
67%
Feels like
27°F
Dew Point
24°F
9 PM
33°F
0%
7mph
NW
Mostly Cloudy
Humidity
68%
Feels like
27°F
Dew Point
24°F
10 PM
32°F
0%
7mph
NW
Mostly Cloudy
Humidity
71%
Feels like
26°F
Dew Point
24°F
11 PM
31°F
0%
7mph
NW
Mostly Cloudy
Humidity
73%
Feels like
25°F
Dew Point
24°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide