Hourly Weather Forecast - Prospect Heights, IL

12 AM
44°F
10%
7mph
S
Mostly Clear
Humidity
74%
Feels like
40°F
Dew Point
36°F
1 AM
45°F
10%
8mph
SSW
Mostly Clear
Humidity
76%
Feels like
40°F
Dew Point
38°F
2 AM
46°F
10%
9mph
SSW
Clear
Humidity
78%
Feels like
41°F
Dew Point
39°F
3 AM
46°F
10%
9mph
SSW
Clear
Humidity
79%
Feels like
42°F
Dew Point
40°F
4 AM
47°F
10%
10mph
SSW
Clear
Humidity
81%
Feels like
42°F
Dew Point
41°F
5 AM
46°F
10%
10mph
SSW
Mostly Clear
Humidity
83%
Feels like
42°F
Dew Point
41°F
6 AM
46°F
10%
10mph
SW
Partly Cloudy
Humidity
83%
Feels like
41°F
Dew Point
41°F
6:45 AM
7 AM
47°F
10%
10mph
SW
Partly Cloudy
Humidity
78%
Feels like
43°F
Dew Point
41°F
8 AM
49°F
10%
11mph
WSW
Partly Cloudy
Humidity
74%
Feels like
45°F
Dew Point
42°F
9 AM
53°F
10%
11mph
WSW
Mostly Cloudy
Humidity
68%
Feels like
53°F
Dew Point
43°F
10 AM
56°F
10%
12mph
W
Mostly Cloudy
Humidity
63%
Feels like
56°F
Dew Point
43°F
11 AM
58°F
10%
11mph
WNW
Mostly Cloudy
Humidity
57%
Feels like
58°F
Dew Point
43°F
12 PM
60°F
20%
11mph
WNW
Cloudy
Humidity
52%
Feels like
60°F
Dew Point
43°F
1 PM
62°F
20%
11mph
WNW
Cloudy
Humidity
48%
Feels like
62°F
Dew Point
42°F
2 PM
62°F
30%
11mph
WNW
30% Chance of Light Rain
Humidity
47%
Feels like
62°F
Dew Point
42°F
3 PM
62°F
30%
11mph
NW
30% Chance of Light Rain
Humidity
46%
Feels like
62°F
Dew Point
41°F
4 PM
60°F
30%
11mph
NW
30% Chance of Light Rain
Humidity
47%
Feels like
60°F
Dew Point
40°F
5 PM
57°F
30%
11mph
NW
30% Chance of Light Rain
Humidity
49%
Feels like
57°F
Dew Point
38°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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