Hourly Weather Forecast - Granite City, IL

7:15 AM
8 AM
17°F
0%
12mph
NW
Sunny
Humidity
39%
Feels like
4°F
Dew Point
-4°F
9 AM
18°F
0%
12mph
NW
Mostly Sunny
Humidity
36%
Feels like
5°F
Dew Point
-4°F
10 AM
19°F
0%
12mph
NW
Mostly Sunny
Humidity
34%
Feels like
7°F
Dew Point
-4°F
11 AM
20°F
0%
11mph
NW
Partly Cloudy
Humidity
32%
Feels like
9°F
Dew Point
-5°F
12 PM
22°F
0%
11mph
NW
Mostly Sunny
Humidity
30%
Feels like
10°F
Dew Point
-5°F
1 PM
22°F
0%
10mph
NW
Sunny
Humidity
29%
Feels like
12°F
Dew Point
-5°F
2 PM
23°F
0%
9mph
WNW
Sunny
Humidity
28%
Feels like
13°F
Dew Point
-5°F
3 PM
23°F
0%
8mph
WNW
Sunny
Humidity
29%
Feels like
13°F
Dew Point
-5°F
4 PM
22°F
0%
7mph
WNW
Sunny
Humidity
29%
Feels like
14°F
Dew Point
-5°F
5 PM
21°F
0%
5mph
WNW
Sunny
Humidity
31%
Feels like
14°F
Dew Point
-5°F
5:07 PM
6 PM
20°F
0%
3mph
WNW
Clear
Humidity
33%
Feels like
16°F
Dew Point
-4°F
7 PM
19°F
0%
2mph
W
Clear
Humidity
35%
Feels like
19°F
Dew Point
-4°F
8 PM
18°F
0%
2mph
W
Clear
Humidity
37%
Feels like
18°F
Dew Point
-3°F
9 PM
17°F
0%
2mph
WSW
Clear
Humidity
40%
Feels like
17°F
Dew Point
-3°F
10 PM
16°F
0%
2mph
WSW
Clear
Humidity
42%
Feels like
16°F
Dew Point
-3°F
11 PM
15°F
0%
2mph
WSW
Mostly Clear
Humidity
43%
Feels like
15°F
Dew Point
-3°F

Snow Forecast through Sunday

Series of Weather Systems Cover Great Lakes, East in Snow

Two main areas of low pressure will produce snow in the Upper Midwest, Great Lakes and Eastern U.S.

Monday's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

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