Hourly Weather Forecast - Mount Prospect, IL

12 AM
41°F
20%
7mph
N
Partly Cloudy
Humidity
67%
Feels like
36°F
Dew Point
31°F
1 AM
39°F
20%
7mph
NNE
Partly Cloudy
Humidity
70%
Feels like
34°F
Dew Point
30°F
2 AM
38°F
10%
7mph
NNE
Partly Cloudy
Humidity
74%
Feels like
32°F
Dew Point
30°F
3 AM
36°F
10%
7mph
NNE
Mostly Cloudy
Humidity
77%
Feels like
31°F
Dew Point
30°F
4 AM
35°F
10%
6mph
NNE
Cloudy
Humidity
80%
Feels like
29°F
Dew Point
29°F
5 AM
34°F
10%
6mph
NNE
Cloudy
Humidity
82%
Feels like
28°F
Dew Point
29°F
6 AM
33°F
10%
6mph
NNE
Cloudy
Humidity
81%
Feels like
27°F
Dew Point
28°F
6:46 AM
7 AM
34°F
10%
6mph
NNE
Cloudy
Humidity
77%
Feels like
28°F
Dew Point
28°F
8 AM
35°F
10%
7mph
NE
Cloudy
Humidity
73%
Feels like
29°F
Dew Point
28°F
9 AM
37°F
0%
8mph
NE
Cloudy
Humidity
66%
Feels like
31°F
Dew Point
27°F
10 AM
39°F
10%
9mph
ENE
Mostly Cloudy
Humidity
61%
Feels like
33°F
Dew Point
27°F
11 AM
41°F
10%
9mph
ENE
Mostly Cloudy
Humidity
58%
Feels like
35°F
Dew Point
27°F
12 PM
42°F
10%
10mph
ENE
Cloudy
Humidity
55%
Feels like
36°F
Dew Point
27°F
1 PM
43°F
0%
10mph
ENE
Cloudy
Humidity
52%
Feels like
37°F
Dew Point
26°F
2 PM
43°F
0%
10mph
E
Mostly Cloudy
Humidity
52%
Feels like
37°F
Dew Point
26°F
3 PM
42°F
0%
10mph
E
Mostly Cloudy
Humidity
53%
Feels like
37°F
Dew Point
26°F
4 PM
42°F
10%
9mph
E
Partly Cloudy
Humidity
54%
Feels like
36°F
Dew Point
26°F
5 PM
41°F
10%
9mph
ESE
Mostly Cloudy
Humidity
55%
Feels like
35°F
Dew Point
26°F
6 PM
40°F
20%
9mph
ESE
Mostly Cloudy
Humidity
57%
Feels like
34°F
Dew Point
26°F
7 PM
40°F
20%
9mph
ESE
Cloudy
Humidity
54%
Feels like
34°F
Dew Point
25°F
7:09 PM
8 PM
40°F
20%
9mph
ESE
Cloudy
Humidity
60%
Feels like
34°F
Dew Point
28°F
9 PM
41°F
20%
9mph
ESE
Cloudy
Humidity
58%
Feels like
36°F
Dew Point
28°F
10 PM
42°F
30%
9mph
SE
30% Chance of Light Rain
Humidity
59%
Feels like
36°F
Dew Point
29°F
11 PM
42°F
30%
9mph
SE
30% Chance of Light Rain
Humidity
61%
Feels like
37°F
Dew Point
30°F

Today's High Temperature Outlook

Dangerous 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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