Hourly Weather Forecast - Caseyville, IL

12 AM
36°F
10%
5mph
SW
Partly Cloudy
Humidity
85%
Feels like
32°F
Dew Point
32°F
1 AM
36°F
10%
5mph
SW
Partly Cloudy
Humidity
86%
Feels like
32°F
Dew Point
32°F
2 AM
36°F
10%
4mph
SW
Partly Cloudy
Humidity
86%
Feels like
33°F
Dew Point
32°F
3 AM
36°F
10%
3mph
SW
Partly Cloudy
Humidity
88%
Feels like
33°F
Dew Point
33°F
4 AM
36°F
10%
3mph
WSW
Partly Cloudy
Humidity
89%
Feels like
36°F
Dew Point
33°F
5 AM
35°F
0%
2mph
WSW
Partly Cloudy
Humidity
90%
Feels like
35°F
Dew Point
33°F
6 AM
35°F
0%
2mph
W
Mostly Cloudy
Humidity
91%
Feels like
35°F
Dew Point
33°F
7 AM
36°F
0%
2mph
W
Partly Cloudy
Humidity
92%
Feels like
36°F
Dew Point
34°F
7:11 AM
8 AM
38°F
0%
1mph
W
Partly Cloudy
Humidity
91%
Feels like
38°F
Dew Point
35°F
9 AM
40°F
0%
1mph
W
Mostly Sunny
Humidity
87%
Feels like
40°F
Dew Point
36°F
10 AM
42°F
0%
0mph
WSW
Mostly Sunny
Humidity
83%
Feels like
42°F
Dew Point
37°F
11 AM
45°F
0%
0mph
SSW
Sunny
Humidity
78%
Feels like
45°F
Dew Point
38°F
12 PM
47°F
0%
0mph
S
Sunny
Humidity
73%
Feels like
47°F
Dew Point
39°F
1 PM
49°F
0%
1mph
SSE
Sunny
Humidity
70%
Feels like
49°F
Dew Point
40°F
2 PM
49°F
0%
2mph
SSE
Mostly Sunny
Humidity
70%
Feels like
49°F
Dew Point
40°F
3 PM
48°F
0%
4mph
SSE
Mostly Sunny
Humidity
73%
Feels like
47°F
Dew Point
40°F
4 PM
47°F
0%
4mph
SE
Mostly Sunny
Humidity
77%
Feels like
45°F
Dew Point
40°F
4:40 PM
5 PM
45°F
0%
5mph
SE
Mostly Clear
Humidity
83%
Feels like
42°F
Dew Point
40°F
6 PM
43°F
0%
6mph
SSE
Partly Cloudy
Humidity
88%
Feels like
39°F
Dew Point
39°F
7 PM
42°F
0%
7mph
SSE
Partly Cloudy
Humidity
90%
Feels like
37°F
Dew Point
39°F
8 PM
41°F
0%
8mph
SSE
Partly Cloudy
Humidity
91%
Feels like
36°F
Dew Point
39°F
9 PM
41°F
0%
9mph
SSE
Mostly Cloudy
Humidity
92%
Feels like
36°F
Dew Point
39°F
10 PM
41°F
0%
9mph
SSE
Mostly Cloudy
Humidity
92%
Feels like
36°F
Dew Point
39°F
11 PM
42°F
0%
10mph
S
Cloudy
Humidity
93%
Feels like
36°F
Dew Point
40°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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