Hourly Weather Forecast - Prospect Heights, IL

12 AM
26°F
10%
12mph
S
Mostly Cloudy
Humidity
65%
Feels like
15°F
Dew Point
16°F
1 AM
27°F
10%
13mph
S
Mostly Cloudy
Humidity
66%
Feels like
16°F
Dew Point
17°F
2 AM
27°F
10%
13mph
S
Cloudy
Humidity
67%
Feels like
16°F
Dew Point
18°F
3 AM
28°F
10%
13mph
S
Cloudy
Humidity
67%
Feels like
17°F
Dew Point
18°F
4 AM
28°F
10%
13mph
S
Cloudy
Humidity
68%
Feels like
18°F
Dew Point
19°F
5 AM
29°F
0%
13mph
S
Cloudy
Humidity
70%
Feels like
18°F
Dew Point
20°F
6 AM
28°F
0%
14mph
SSW
Cloudy
Humidity
73%
Feels like
18°F
Dew Point
21°F
7 AM
29°F
10%
13mph
SSW
Mostly Cloudy
Humidity
74%
Feels like
18°F
Dew Point
22°F
7:16 AM
8 AM
30°F
10%
13mph
SSW
Mostly Cloudy
Humidity
72%
Feels like
20°F
Dew Point
22°F
9 AM
33°F
10%
13mph
SSW
Mostly Cloudy
Humidity
67%
Feels like
23°F
Dew Point
23°F
10 AM
35°F
10%
13mph
SSW
Mostly Cloudy
Humidity
64%
Feels like
26°F
Dew Point
24°F
11 AM
37°F
10%
13mph
SSW
Mostly Cloudy
Humidity
61%
Feels like
28°F
Dew Point
25°F
12 PM
38°F
10%
13mph
SSW
Mostly Cloudy
Humidity
60%
Feels like
30°F
Dew Point
25°F
1 PM
38°F
10%
12mph
SW
Mostly Cloudy
Humidity
60%
Feels like
31°F
Dew Point
26°F
2 PM
39°F
10%
11mph
SW
Partly Cloudy
Humidity
62%
Feels like
32°F
Dew Point
27°F
3 PM
38°F
10%
10mph
SW
Partly Cloudy
Humidity
65%
Feels like
32°F
Dew Point
28°F
4 PM
37°F
20%
9mph
SW
Partly Cloudy
Humidity
70%
Feels like
31°F
Dew Point
29°F
4:22 PM
5 PM
37°F
20%
9mph
SW
Partly Cloudy
Humidity
74%
Feels like
30°F
Dew Point
29°F
6 PM
36°F
20%
9mph
WSW
Partly Cloudy
Humidity
77%
Feels like
30°F
Dew Point
30°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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