Hourly Weather Forecast - Lake Forest, IL

12 AM
15°F
0%
4mph
NW
Clear
Humidity
64%
Feels like
9°F
Dew Point
5°F
1 AM
14°F
0%
3mph
NW
Clear
Humidity
65%
Feels like
8°F
Dew Point
4°F
2 AM
13°F
0%
3mph
NW
Clear
Humidity
66%
Feels like
13°F
Dew Point
4°F
3 AM
12°F
0%
3mph
NW
Clear
Humidity
67%
Feels like
12°F
Dew Point
4°F
4 AM
12°F
0%
2mph
NW
Clear
Humidity
68%
Feels like
12°F
Dew Point
3°F
5 AM
12°F
0%
2mph
NW
Clear
Humidity
68%
Feels like
12°F
Dew Point
3°F
6 AM
12°F
0%
2mph
WNW
Mostly Clear
Humidity
67%
Feels like
12°F
Dew Point
3°F
7 AM
12°F
0%
2mph
WNW
Partly Cloudy
Humidity
65%
Feels like
12°F
Dew Point
3°F
7:20 AM
8 AM
13°F
0%
2mph
WNW
Mostly Cloudy
Humidity
63%
Feels like
13°F
Dew Point
3°F
9 AM
15°F
0%
2mph
WNW
Cloudy
Humidity
61%
Feels like
15°F
Dew Point
4°F
10 AM
17°F
0%
2mph
WNW
Mostly Cloudy
Humidity
58%
Feels like
17°F
Dew Point
4°F
11 AM
19°F
0%
1mph
W
Partly Cloudy
Humidity
55%
Feels like
19°F
Dew Point
5°F
12 PM
20°F
0%
1mph
W
Partly Cloudy
Humidity
53%
Feels like
20°F
Dew Point
6°F
1 PM
21°F
0%
1mph
W
Partly Cloudy
Humidity
51%
Feels like
21°F
Dew Point
6°F
2 PM
22°F
0%
1mph
W
Partly Cloudy
Humidity
50%
Feels like
22°F
Dew Point
6°F
3 PM
22°F
0%
1mph
W
Mostly Cloudy
Humidity
51%
Feels like
22°F
Dew Point
6°F
4 PM
21°F
0%
1mph
WSW
Mostly Cloudy
Humidity
53%
Feels like
21°F
Dew Point
6°F
4:30 PM
5 PM
21°F
0%
1mph
WSW
Mostly Cloudy
Humidity
55%
Feels like
21°F
Dew Point
7°F
6 PM
20°F
0%
1mph
WSW
Mostly Cloudy
Humidity
56%
Feels like
20°F
Dew Point
8°F
7 PM
20°F
0%
1mph
WSW
Mostly Cloudy
Humidity
58%
Feels like
20°F
Dew Point
8°F
8 PM
20°F
0%
1mph
WSW
Mostly Cloudy
Humidity
60%
Feels like
20°F
Dew Point
9°F
9 PM
20°F
0%
1mph
WSW
Mostly Cloudy
Humidity
61%
Feels like
20°F
Dew Point
9°F
10 PM
20°F
0%
1mph
WSW
Mostly Cloudy
Humidity
63%
Feels like
20°F
Dew Point
10°F
11 PM
21°F
0%
1mph
WSW
Mostly Cloudy
Humidity
63%
Feels like
21°F
Dew Point
10°F

Wednesday's Weather Outlook

Wednesday's Weather Outlook

After an overall quieter day of weather on Tuesday, Mother Nature brings a soggy, snowy forecast.

St. Louis Tornado - May 16th, 2025

2025 Year in Review: Billion-Dollar Disasters From May through June

EF3 tornado damage near Plantersville, Alabama

2025 Year in Review: Billion-Dollar Disasters From February Through April

Photos and videos from the Palisades Fire that started in the City of Los Angeles, January 8, 2025. (CAL FIRE_Official via Wikimedia Commons)

2025 Year in Review: Billion Dollar Disasters - The California Wildfires

Large wall of dust approaching Phoenix Sky Harbor Airport at around 5:30 PM MST (Photo credit: Mike Olbinski via NWS)

2025 Year in Review: Extreme Weather - July Through December

A frame from an automated video of a tornado and its mesocyclone that derailed multiple train cars near Enderlin, North Dakota and destroyed multiple homes on June 20, 2025. (ChrisWx via Wikimedia Commons)

2025 Year in Review: Extreme Weather - January through June

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide