Hourly Weather Forecast - Lake Forest, IL

12 AM
34°F
0%
0mph
SE
Partly Cloudy
Humidity
75%
Feels like
34°F
Dew Point
27°F
1 AM
34°F
0%
0mph
SE
Partly Cloudy
Humidity
77%
Feels like
34°F
Dew Point
27°F
2 AM
34°F
0%
0mph
ESE
Mostly Cloudy
Humidity
78%
Feels like
34°F
Dew Point
28°F
3 AM
34°F
10%
0mph
ESE
Cloudy
Humidity
77%
Feels like
34°F
Dew Point
27°F
4 AM
34°F
20%
0mph
E
Cloudy
Humidity
78%
Feels like
34°F
Dew Point
27°F
5 AM
33°F
20%
0mph
E
Cloudy
Humidity
79%
Feels like
33°F
Dew Point
28°F
6 AM
34°F
20%
0mph
E
Mostly Cloudy
Humidity
82%
Feels like
34°F
Dew Point
29°F
6:23 AM
7 AM
35°F
10%
0mph
E
Mostly Cloudy
Humidity
81%
Feels like
35°F
Dew Point
30°F
8 AM
37°F
10%
0mph
ESE
Mostly Cloudy
Humidity
82%
Feels like
37°F
Dew Point
32°F
9 AM
39°F
10%
0mph
ESE
Mostly Cloudy
Humidity
80%
Feels like
39°F
Dew Point
34°F
10 AM
40°F
20%
0mph
E
Mostly Cloudy
Humidity
81%
Feels like
40°F
Dew Point
35°F
11 AM
40°F
30%
0mph
E
30% Chance of Light Rain
Humidity
81%
Feels like
40°F
Dew Point
35°F
12 PM
40°F
40%
0mph
ENE
40% Chance of Light Rain
Humidity
85%
Feels like
40°F
Dew Point
36°F
1 PM
40°F
40%
1mph
ENE
40% Chance of Light Rain
Humidity
85%
Feels like
40°F
Dew Point
36°F
2 PM
39°F
40%
1mph
ENE
40% Chance of Light Rain
Humidity
86%
Feels like
39°F
Dew Point
35°F
3 PM
38°F
30%
1mph
ENE
30% Chance Rain Showers
Humidity
86%
Feels like
38°F
Dew Point
35°F
4 PM
37°F
30%
1mph
ENE
30% Chance Rain Showers
Humidity
86%
Feels like
37°F
Dew Point
34°F
5 PM
36°F
10%
1mph
ENE
Partly Cloudy
Humidity
87%
Feels like
36°F
Dew Point
33°F
5:43 PM
6 PM
35°F
10%
0mph
NE
Partly Cloudy
Humidity
87%
Feels like
35°F
Dew Point
31°F
7 PM
34°F
10%
0mph
NE
Mostly Clear
Humidity
87%
Feels like
34°F
Dew Point
31°F
8 PM
34°F
20%
0mph
ENE
Clear
Humidity
87%
Feels like
34°F
Dew Point
31°F
9 PM
34°F
20%
0mph
ENE
Clear
Humidity
88%
Feels like
34°F
Dew Point
31°F
10 PM
34°F
20%
0mph
NE
Clear
Humidity
90%
Feels like
34°F
Dew Point
31°F
11 PM
34°F
20%
1mph
NE
Hazy
Humidity
92%
Feels like
34°F
Dew Point
32°F

Snow and Ice Accumulations through Tuesday AM

Wintry Disturbance Bisects U.S. Mid-Latitudes

A wintry disturbance will bring icing and light snow from the central Plains today through the Northeast on Tuesday.

Today's Weather Outlook

Monday's Weather Outlook

Weekly Drought Map for February 26, 2026

Widespread Drought Degradation For South, Southeast; Mixed Results Elsewhere

Debris flies through the air as howling winds accompanied by a line of storms approach the old Tarrant County Courthouse in downtown Fort Worth, Texas, on March 2, 2023. (Tom Fox/The Dallas Morning News via AP)

Lightning Season Rapidly Approaching: Best Safety Practices

Rocky Mountain National Park at day in December. (NPS Natural Resources/Wikimedia Commons)

Snowmelt and Flooding

U.S. Route 52 near St. Donatus between Bellevue and Dubuque, Iowa. (Tony Webster from Portland, Oregon)

Winter Weather Driving Safety Tips

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