Hourly Weather Forecast - Lake Forest, IL

12 AM
30°F
0%
1mph
SE
Partly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
24°F
1 AM
30°F
0%
2mph
SSE
Mostly Cloudy
Humidity
78%
Feels like
30°F
Dew Point
24°F
2 AM
31°F
0%
2mph
SSE
Mostly Cloudy
Humidity
77%
Feels like
31°F
Dew Point
24°F
3 AM
31°F
0%
2mph
SSE
Mostly Cloudy
Humidity
75%
Feels like
31°F
Dew Point
24°F
4 AM
31°F
0%
2mph
S
Mostly Cloudy
Humidity
73%
Feels like
31°F
Dew Point
24°F
5 AM
32°F
0%
2mph
S
Mostly Cloudy
Humidity
71%
Feels like
32°F
Dew Point
24°F
6 AM
33°F
0%
2mph
S
Mostly Cloudy
Humidity
71%
Feels like
33°F
Dew Point
24°F
6:48 AM
7 AM
34°F
0%
2mph
S
Mostly Cloudy
Humidity
68%
Feels like
34°F
Dew Point
24°F
8 AM
36°F
0%
3mph
S
Mostly Cloudy
Humidity
66%
Feels like
36°F
Dew Point
26°F
9 AM
39°F
0%
3mph
SSW
Partly Cloudy
Humidity
62%
Feels like
37°F
Dew Point
27°F
10 AM
42°F
0%
3mph
SSW
Partly Cloudy
Humidity
59%
Feels like
40°F
Dew Point
28°F
11 AM
44°F
0%
4mph
SSW
Mostly Cloudy
Humidity
56%
Feels like
43°F
Dew Point
30°F
12 PM
47°F
10%
4mph
SSW
Mostly Cloudy
Humidity
53%
Feels like
45°F
Dew Point
31°F
1 PM
49°F
10%
4mph
SW
Cloudy
Humidity
50%
Feels like
48°F
Dew Point
31°F
2 PM
50°F
10%
3mph
SW
Partly Cloudy
Humidity
49%
Feels like
50°F
Dew Point
32°F
3 PM
50°F
10%
3mph
WSW
Partly Cloudy
Humidity
48%
Feels like
50°F
Dew Point
31°F
4 PM
50°F
10%
3mph
WSW
Partly Cloudy
Humidity
50%
Feels like
50°F
Dew Point
32°F
5 PM
49°F
10%
2mph
W
Mostly Sunny
Humidity
51%
Feels like
49°F
Dew Point
32°F
6 PM
48°F
10%
2mph
WNW
Mostly Sunny
Humidity
54%
Feels like
48°F
Dew Point
32°F
7 PM
46°F
10%
1mph
NW
Mostly Sunny
Humidity
61%
Feels like
46°F
Dew Point
34°F
7:08 PM
8 PM
45°F
10%
1mph
NNW
Mostly Clear
Humidity
64%
Feels like
45°F
Dew Point
33°F
9 PM
43°F
10%
1mph
NNW
Clear
Humidity
68%
Feels like
43°F
Dew Point
33°F
10 PM
42°F
10%
1mph
NNW
Clear
Humidity
71%
Feels like
42°F
Dew Point
33°F
11 PM
41°F
20%
1mph
N
Mostly Clear
Humidity
71%
Feels like
41°F
Dew Point
32°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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