Hourly Weather Forecast - South Chicago Heights, IL

12 AM
20°F
0%
1mph
SW
Clear
Humidity
78%
Feels like
20°F
Dew Point
14°F
1 AM
20°F
0%
1mph
SSW
Clear
Humidity
77%
Feels like
20°F
Dew Point
14°F
2 AM
20°F
0%
2mph
SSW
Clear
Humidity
77%
Feels like
20°F
Dew Point
14°F
3 AM
20°F
0%
2mph
SSW
Clear
Humidity
76%
Feels like
20°F
Dew Point
13°F
4 AM
20°F
0%
2mph
SSW
Clear
Humidity
76%
Feels like
20°F
Dew Point
13°F
5 AM
23°F
0%
3mph
SSW
Clear
Humidity
68%
Feels like
23°F
Dew Point
14°F
6 AM
25°F
0%
3mph
SSW
Clear
Humidity
64%
Feels like
21°F
Dew Point
15°F
7 AM
28°F
0%
4mph
SSW
Clear
Humidity
60%
Feels like
24°F
Dew Point
16°F
7:10 AM
8 AM
28°F
0%
5mph
SSW
Sunny
Humidity
64%
Feels like
23°F
Dew Point
18°F
9 AM
29°F
0%
6mph
SSW
Sunny
Humidity
68%
Feels like
23°F
Dew Point
20°F
10 AM
31°F
0%
6mph
SSW
Sunny
Humidity
69%
Feels like
25°F
Dew Point
22°F
11 AM
33°F
0%
7mph
SSW
Sunny
Humidity
70%
Feels like
26°F
Dew Point
24°F
12 PM
34°F
0%
8mph
SSW
Sunny
Humidity
71%
Feels like
28°F
Dew Point
26°F
1 PM
35°F
0%
8mph
SSW
Sunny
Humidity
72%
Feels like
28°F
Dew Point
27°F
2 PM
35°F
0%
9mph
SSW
Sunny
Humidity
74%
Feels like
28°F
Dew Point
28°F
3 PM
35°F
0%
9mph
SSW
Sunny
Humidity
77%
Feels like
28°F
Dew Point
28°F
4 PM
34°F
0%
9mph
SSW
Mostly Sunny
Humidity
81%
Feels like
27°F
Dew Point
29°F
4:21 PM
5 PM
34°F
0%
9mph
SSW
Partly Cloudy
Humidity
83%
Feels like
27°F
Dew Point
30°F
6 PM
34°F
0%
9mph
SSW
Partly Cloudy
Humidity
84%
Feels like
27°F
Dew Point
30°F
7 PM
35°F
0%
10mph
SSW
Partly Cloudy
Humidity
84%
Feels like
27°F
Dew Point
31°F
8 PM
35°F
0%
10mph
SW
Mostly Cloudy
Humidity
84%
Feels like
28°F
Dew Point
31°F
9 PM
36°F
0%
10mph
SW
Cloudy
Humidity
85%
Feels like
29°F
Dew Point
32°F
10 PM
36°F
0%
9mph
SW
Cloudy
Humidity
85%
Feels like
29°F
Dew Point
32°F
11 PM
36°F
0%
9mph
SW
Cloudy
Humidity
85%
Feels like
29°F
Dew Point
32°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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