Hourly Weather Forecast - Granite City, IL

12 AM
28°F
0%
7mph
NW
Partly Cloudy
Humidity
71%
Feels like
20°F
Dew Point
20°F
1 AM
27°F
0%
7mph
NNW
Partly Cloudy
Humidity
70%
Feels like
20°F
Dew Point
19°F
2 AM
27°F
0%
7mph
NNW
Partly Cloudy
Humidity
69%
Feels like
19°F
Dew Point
18°F
3 AM
26°F
0%
7mph
NNW
Mostly Clear
Humidity
66%
Feels like
19°F
Dew Point
17°F
4 AM
25°F
0%
6mph
NNW
Mostly Clear
Humidity
64%
Feels like
18°F
Dew Point
15°F
5 AM
24°F
0%
5mph
NNW
Partly Cloudy
Humidity
61%
Feels like
17°F
Dew Point
13°F
6 AM
24°F
0%
5mph
NNW
Mostly Cloudy
Humidity
58%
Feels like
17°F
Dew Point
11°F
7 AM
24°F
0%
4mph
N
Cloudy
Humidity
55%
Feels like
18°F
Dew Point
10°F
7:09 AM
8 AM
25°F
0%
4mph
N
Cloudy
Humidity
51%
Feels like
20°F
Dew Point
10°F
9 AM
26°F
0%
4mph
N
Cloudy
Humidity
50%
Feels like
21°F
Dew Point
10°F
10 AM
27°F
10%
4mph
N
Cloudy
Humidity
48%
Feels like
23°F
Dew Point
10°F
11 AM
28°F
10%
3mph
N
Cloudy
Humidity
46%
Feels like
24°F
Dew Point
10°F
12 PM
28°F
10%
3mph
N
Cloudy
Humidity
45%
Feels like
25°F
Dew Point
10°F
1 PM
28°F
10%
4mph
N
Cloudy
Humidity
47%
Feels like
24°F
Dew Point
11°F
2 PM
28°F
10%
4mph
N
Cloudy
Humidity
50%
Feels like
23°F
Dew Point
11°F
3 PM
25°F
10%
5mph
N
Cloudy
Humidity
56%
Feels like
20°F
Dew Point
12°F
4 PM
23°F
10%
5mph
N
Cloudy
Humidity
61%
Feels like
16°F
Dew Point
11°F
4:39 PM
5 PM
22°F
10%
6mph
N
Cloudy
Humidity
63%
Feels like
14°F
Dew Point
11°F
6 PM
22°F
10%
7mph
N
Cloudy
Humidity
63%
Feels like
13°F
Dew Point
11°F
7 PM
22°F
10%
7mph
N
Cloudy
Humidity
61%
Feels like
13°F
Dew Point
10°F
8 PM
20°F
10%
7mph
N
Mostly Cloudy
Humidity
62%
Feels like
11°F
Dew Point
10°F
9 PM
19°F
10%
8mph
N
Partly Cloudy
Humidity
63%
Feels like
9°F
Dew Point
8°F
10 PM
17°F
10%
8mph
NNW
Partly Cloudy
Humidity
64%
Feels like
7°F
Dew Point
7°F
11 PM
16°F
10%
9mph
NNW
Mostly Clear
Humidity
63%
Feels like
5°F
Dew Point
6°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