Hourly Weather Forecast - Prospect Heights, IL

12 AM
42°F
10%
6mph
NNE
Partly Cloudy
Humidity
65%
Feels like
38°F
Dew Point
31°F
1 AM
41°F
10%
6mph
NE
Partly Cloudy
Humidity
68%
Feels like
37°F
Dew Point
32°F
2 AM
40°F
10%
7mph
NE
Partly Cloudy
Humidity
70%
Feels like
36°F
Dew Point
31°F
3 AM
40°F
10%
6mph
NE
Mostly Cloudy
Humidity
72%
Feels like
35°F
Dew Point
31°F
4 AM
39°F
10%
6mph
NE
Cloudy
Humidity
73%
Feels like
34°F
Dew Point
31°F
5 AM
38°F
0%
6mph
NE
Cloudy
Humidity
75%
Feels like
33°F
Dew Point
31°F
6 AM
37°F
0%
7mph
NE
Cloudy
Humidity
78%
Feels like
32°F
Dew Point
31°F
6:46 AM
7 AM
37°F
0%
7mph
NE
Cloudy
Humidity
77%
Feels like
32°F
Dew Point
31°F
8 AM
39°F
0%
8mph
NE
Cloudy
Humidity
74%
Feels like
33°F
Dew Point
31°F
9 AM
41°F
0%
9mph
ENE
Cloudy
Humidity
67%
Feels like
36°F
Dew Point
31°F
10 AM
44°F
0%
9mph
ENE
Cloudy
Humidity
61%
Feels like
39°F
Dew Point
31°F
11 AM
46°F
0%
10mph
E
Mostly Cloudy
Humidity
56%
Feels like
41°F
Dew Point
31°F
12 PM
47°F
0%
10mph
E
Mostly Cloudy
Humidity
54%
Feels like
43°F
Dew Point
32°F
1 PM
48°F
10%
11mph
E
Mostly Cloudy
Humidity
53%
Feels like
43°F
Dew Point
32°F
2 PM
47°F
10%
10mph
ESE
Mostly Cloudy
Humidity
55%
Feels like
42°F
Dew Point
32°F
3 PM
46°F
10%
10mph
ESE
Mostly Cloudy
Humidity
58%
Feels like
41°F
Dew Point
32°F
4 PM
44°F
20%
10mph
ESE
Mostly Cloudy
Humidity
62%
Feels like
39°F
Dew Point
32°F
5 PM
43°F
20%
9mph
ESE
Mostly Cloudy
Humidity
65%
Feels like
38°F
Dew Point
32°F
6 PM
42°F
20%
9mph
ESE
Mostly Cloudy
Humidity
68%
Feels like
36°F
Dew Point
32°F
7 PM
40°F
20%
8mph
ESE
Mostly Cloudy
Humidity
70%
Feels like
35°F
Dew Point
31°F
7:09 PM
8 PM
39°F
10%
7mph
ESE
Mostly Cloudy
Humidity
71%
Feels like
34°F
Dew Point
31°F
9 PM
39°F
10%
7mph
SE
Mostly Cloudy
Humidity
73%
Feels like
34°F
Dew Point
31°F
10 PM
39°F
10%
6mph
SE
Partly Cloudy
Humidity
74%
Feels like
34°F
Dew Point
31°F
11 PM
40°F
10%
7mph
SSE
Partly Cloudy
Humidity
75%
Feels like
35°F
Dew Point
32°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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