Hourly Weather Forecast - Cahokia, IL

9 AM
44°F
0%
21mph
WNW
Windy
Humidity
52%
Feels like
36°F
Dew Point
28°F
10 AM
42°F
70%
23mph
WNW
70% Chance of Light Rain
Humidity
50%
Feels like
33°F
Dew Point
25°F
11 AM
41°F
0%
23mph
NW
Windy
Humidity
49%
Feels like
31°F
Dew Point
23°F
12 PM
40°F
0%
22mph
NW
Windy
Humidity
49%
Feels like
29°F
Dew Point
22°F
1 PM
39°F
0%
21mph
NW
Windy
Humidity
50%
Feels like
29°F
Dew Point
22°F
2 PM
38°F
0%
19mph
NW
Mostly Cloudy
Humidity
52%
Feels like
29°F
Dew Point
22°F
3 PM
37°F
0%
17mph
NW
Mostly Cloudy
Humidity
55%
Feels like
28°F
Dew Point
23°F
4 PM
36°F
0%
15mph
NW
Mostly Cloudy
Humidity
58%
Feels like
27°F
Dew Point
23°F
4:39 PM
5 PM
36°F
0%
13mph
NW
Mostly Cloudy
Humidity
60%
Feels like
27°F
Dew Point
23°F
6 PM
35°F
0%
11mph
NW
Mostly Cloudy
Humidity
61%
Feels like
27°F
Dew Point
23°F
7 PM
35°F
0%
10mph
NW
Mostly Cloudy
Humidity
63%
Feels like
27°F
Dew Point
24°F
8 PM
34°F
0%
10mph
NW
Mostly Cloudy
Humidity
66%
Feels like
26°F
Dew Point
24°F
9 PM
33°F
0%
9mph
NW
Mostly Cloudy
Humidity
67%
Feels like
25°F
Dew Point
23°F
10 PM
33°F
0%
9mph
NW
Mostly Cloudy
Humidity
68%
Feels like
25°F
Dew Point
23°F
11 PM
32°F
0%
9mph
NW
Mostly Cloudy
Humidity
69%
Feels like
25°F
Dew Point
23°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

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Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide