Hourly Weather Forecast - Caseyville, IL

12 AM
27°F
0%
4mph
SSW
Clear
Humidity
57%
Feels like
22°F
Dew Point
14°F
1 AM
27°F
0%
4mph
SSW
Clear
Humidity
58%
Feels like
22°F
Dew Point
14°F
2 AM
27°F
0%
4mph
SSW
Clear
Humidity
58%
Feels like
22°F
Dew Point
14°F
3 AM
28°F
0%
4mph
SSW
Clear
Humidity
58%
Feels like
23°F
Dew Point
15°F
4 AM
28°F
0%
4mph
SSW
Clear
Humidity
60%
Feels like
23°F
Dew Point
16°F
5 AM
30°F
0%
4mph
SSW
Clear
Humidity
57%
Feels like
25°F
Dew Point
17°F
6 AM
31°F
0%
4mph
SSW
Clear
Humidity
56%
Feels like
27°F
Dew Point
18°F
7 AM
34°F
0%
4mph
SSW
Clear
Humidity
54%
Feels like
30°F
Dew Point
19°F
7:11 AM
8 AM
35°F
0%
4mph
S
Sunny
Humidity
56%
Feels like
31°F
Dew Point
20°F
9 AM
37°F
0%
5mph
S
Sunny
Humidity
57%
Feels like
32°F
Dew Point
23°F
10 AM
39°F
0%
6mph
SSW
Sunny
Humidity
56%
Feels like
35°F
Dew Point
25°F
11 AM
42°F
0%
7mph
SSW
Sunny
Humidity
55%
Feels like
38°F
Dew Point
27°F
12 PM
44°F
0%
8mph
SSW
Sunny
Humidity
55%
Feels like
40°F
Dew Point
29°F
1 PM
45°F
0%
8mph
SSW
Sunny
Humidity
56%
Feels like
41°F
Dew Point
31°F
2 PM
46°F
0%
8mph
S
Sunny
Humidity
59%
Feels like
41°F
Dew Point
32°F
3 PM
45°F
0%
8mph
S
Sunny
Humidity
62%
Feels like
40°F
Dew Point
33°F
4 PM
43°F
0%
8mph
S
Partly Cloudy
Humidity
67%
Feels like
39°F
Dew Point
33°F
4:40 PM
5 PM
42°F
0%
8mph
S
Mostly Cloudy
Humidity
71%
Feels like
37°F
Dew Point
33°F
6 PM
40°F
0%
7mph
S
Cloudy
Humidity
75%
Feels like
35°F
Dew Point
33°F
7 PM
39°F
0%
7mph
S
Mostly Cloudy
Humidity
78%
Feels like
34°F
Dew Point
33°F
8 PM
39°F
0%
6mph
SSW
Mostly Clear
Humidity
81%
Feels like
34°F
Dew Point
33°F
9 PM
38°F
0%
6mph
SSW
Mostly Clear
Humidity
84%
Feels like
33°F
Dew Point
34°F
10 PM
38°F
0%
6mph
SSW
Mostly Clear
Humidity
86%
Feels like
33°F
Dew Point
34°F
11 PM
38°F
0%
6mph
SSW
Partly Cloudy
Humidity
88%
Feels like
34°F
Dew Point
35°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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