Hourly Weather Forecast - Lake Forest, IL

12 AM
34°F
0%
5mph
N
Partly Cloudy
Humidity
77%
Feels like
30°F
Dew Point
28°F
1 AM
34°F
0%
4mph
N
Partly Cloudy
Humidity
77%
Feels like
29°F
Dew Point
27°F
2 AM
33°F
0%
4mph
N
Partly Cloudy
Humidity
78%
Feels like
29°F
Dew Point
27°F
3 AM
32°F
0%
4mph
N
Partly Cloudy
Humidity
77%
Feels like
29°F
Dew Point
26°F
4 AM
31°F
0%
3mph
N
Partly Cloudy
Humidity
77%
Feels like
28°F
Dew Point
25°F
5 AM
31°F
0%
3mph
N
Mostly Clear
Humidity
77%
Feels like
31°F
Dew Point
24°F
6 AM
30°F
0%
2mph
N
Mostly Clear
Humidity
78%
Feels like
30°F
Dew Point
24°F
6:50 AM
7 AM
30°F
0%
2mph
NNW
Sunny
Humidity
75%
Feels like
30°F
Dew Point
23°F
8 AM
31°F
0%
2mph
NNW
Sunny
Humidity
72%
Feels like
31°F
Dew Point
23°F
9 AM
33°F
0%
2mph
NNW
Sunny
Humidity
66%
Feels like
33°F
Dew Point
23°F
10 AM
36°F
0%
2mph
N
Sunny
Humidity
60%
Feels like
36°F
Dew Point
23°F
11 AM
38°F
0%
2mph
N
Sunny
Humidity
56%
Feels like
38°F
Dew Point
23°F
12 PM
40°F
0%
2mph
N
Sunny
Humidity
51%
Feels like
40°F
Dew Point
23°F
1 PM
41°F
0%
2mph
N
Mostly Sunny
Humidity
48%
Feels like
41°F
Dew Point
23°F
2 PM
42°F
0%
1mph
NNE
Partly Cloudy
Humidity
47%
Feels like
42°F
Dew Point
23°F
3 PM
42°F
0%
1mph
NE
Partly Cloudy
Humidity
47%
Feels like
42°F
Dew Point
23°F
4 PM
41°F
0%
1mph
ENE
Partly Cloudy
Humidity
49%
Feels like
41°F
Dew Point
23°F
5 PM
39°F
0%
1mph
ENE
Partly Cloudy
Humidity
52%
Feels like
39°F
Dew Point
23°F
6 PM
37°F
0%
1mph
E
Partly Cloudy
Humidity
57%
Feels like
37°F
Dew Point
23°F
7 PM
35°F
0%
1mph
E
Mostly Sunny
Humidity
64%
Feels like
35°F
Dew Point
24°F
7:06 PM
8 PM
33°F
0%
1mph
ESE
Mostly Clear
Humidity
69%
Feels like
33°F
Dew Point
24°F
9 PM
32°F
0%
1mph
ESE
Partly Cloudy
Humidity
72%
Feels like
32°F
Dew Point
24°F
10 PM
32°F
0%
1mph
SE
Partly Cloudy
Humidity
74%
Feels like
32°F
Dew Point
24°F
11 PM
31°F
0%
1mph
SE
Partly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
24°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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