Hourly Weather Forecast - Lake Forest, IL

12 AM
38°F
0%
0mph
NE
Mostly Cloudy
Humidity
86%
Feels like
38°F
Dew Point
34°F
1 AM
37°F
0%
0mph
NE
Mostly Cloudy
Humidity
87%
Feels like
37°F
Dew Point
34°F
2 AM
37°F
0%
0mph
NE
Mostly Cloudy
Humidity
88%
Feels like
37°F
Dew Point
33°F
3 AM
36°F
0%
0mph
NE
Mostly Cloudy
Humidity
89%
Feels like
36°F
Dew Point
33°F
4 AM
36°F
0%
0mph
ENE
Mostly Cloudy
Humidity
89%
Feels like
36°F
Dew Point
33°F
5 AM
35°F
0%
0mph
E
Mostly Cloudy
Humidity
89%
Feels like
35°F
Dew Point
33°F
6 AM
36°F
0%
0mph
E
Partly Cloudy
Humidity
88%
Feels like
36°F
Dew Point
33°F
6:53 AM
7 AM
38°F
10%
0mph
ESE
Partly Cloudy
Humidity
85%
Feels like
38°F
Dew Point
34°F
8 AM
40°F
10%
0mph
SE
Partly Cloudy
Humidity
82%
Feels like
40°F
Dew Point
35°F
9 AM
43°F
10%
1mph
SE
Partly Cloudy
Humidity
78%
Feels like
43°F
Dew Point
37°F
10 AM
46°F
0%
1mph
SSE
Partly Cloudy
Humidity
74%
Feels like
46°F
Dew Point
38°F
11 AM
50°F
0%
2mph
S
Partly Cloudy
Humidity
68%
Feels like
50°F
Dew Point
40°F
12 PM
54°F
0%
2mph
S
Partly Cloudy
Humidity
63%
Feels like
54°F
Dew Point
42°F
1 PM
58°F
0%
3mph
SSW
Partly Cloudy
Humidity
58%
Feels like
58°F
Dew Point
43°F
2 PM
61°F
0%
4mph
SSW
Partly Cloudy
Humidity
54%
Feels like
61°F
Dew Point
44°F
3 PM
63°F
0%
4mph
SSW
Partly Cloudy
Humidity
53%
Feels like
63°F
Dew Point
45°F
4 PM
64°F
10%
5mph
SSW
Mostly Sunny
Humidity
52%
Feels like
64°F
Dew Point
46°F
5 PM
65°F
10%
5mph
SW
Mostly Sunny
Humidity
53%
Feels like
65°F
Dew Point
47°F
6 PM
65°F
0%
4mph
SW
Mostly Sunny
Humidity
54%
Feels like
65°F
Dew Point
48°F
7 PM
64°F
0%
4mph
SW
Mostly Sunny
Humidity
57%
Feels like
64°F
Dew Point
48°F
7:04 PM
8 PM
63°F
0%
4mph
SW
Mostly Clear
Humidity
61%
Feels like
63°F
Dew Point
49°F
9 PM
62°F
0%
4mph
SW
Mostly Clear
Humidity
64%
Feels like
62°F
Dew Point
49°F
10 PM
60°F
0%
4mph
SW
Mostly Clear
Humidity
68%
Feels like
60°F
Dew Point
50°F
11 PM
60°F
0%
3mph
SW
Mostly Clear
Humidity
69%
Feels like
60°F
Dew Point
49°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?

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide