Hourly Weather Forecast - Lake Forest, IL

5 AM
42°F
70%
0mph
SSE
70% Chance of Light Rain
Humidity
97%
Feels like
42°F
Dew Point
42°F
6 AM
43°F
70%
0mph
SSE
70% Chance of Light Rain
Humidity
97%
Feels like
43°F
Dew Point
42°F
7 AM
44°F
70%
0mph
SSE
70% Chance of Light Rain
Humidity
98%
Feels like
44°F
Dew Point
44°F
7:19 AM
8 AM
46°F
90%
0mph
SSE
Light Rain
Humidity
98%
Feels like
46°F
Dew Point
45°F
9 AM
47°F
90%
0mph
SSE
Rain
Humidity
97%
Feels like
47°F
Dew Point
46°F
10 AM
48°F
90%
0mph
ESE
Rain
Humidity
97%
Feels like
48°F
Dew Point
47°F
11 AM
48°F
100%
0mph
ENE
Rain
Humidity
96%
Feels like
48°F
Dew Point
47°F
12 PM
48°F
90%
0mph
ENE
Light Rain
Humidity
95%
Feels like
48°F
Dew Point
47°F
1 PM
48°F
90%
0mph
ENE
Light Rain
Humidity
95%
Feels like
48°F
Dew Point
46°F
2 PM
47°F
80%
0mph
E
80% Chance of Rain
Humidity
95%
Feels like
47°F
Dew Point
46°F
3 PM
46°F
70%
1mph
ESE
70% Chance of Light Rain
Humidity
94%
Feels like
46°F
Dew Point
44°F
4 PM
46°F
40%
1mph
SSE
40% Chance of Light Rain
Humidity
93%
Feels like
46°F
Dew Point
44°F
4:26 PM
5 PM
45°F
20%
2mph
W
Cloudy
Humidity
93%
Feels like
45°F
Dew Point
43°F
6 PM
44°F
20%
3mph
W
Cloudy
Humidity
91%
Feels like
43°F
Dew Point
42°F
7 PM
42°F
10%
5mph
W
Cloudy
Humidity
88%
Feels like
39°F
Dew Point
39°F
8 PM
40°F
10%
7mph
W
Cloudy
Humidity
85%
Feels like
35°F
Dew Point
36°F
9 PM
37°F
10%
8mph
W
Cloudy
Humidity
83%
Feels like
31°F
Dew Point
32°F
10 PM
33°F
10%
9mph
W
Cloudy
Humidity
79%
Feels like
26°F
Dew Point
28°F
11 PM
30°F
20%
9mph
W
Cloudy
Humidity
75%
Feels like
22°F
Dew Point
23°F

Snow and Ice Forecast Through Monday

Heavy Snow and Icing from Midwest to New England

A winter storm will deliver snow and significant icing from the Midwest to New England.

Today's Weather Outlook

Today's Weather Outlook

Satellite image of Hurricane Melissa

2025 Year in Review: Powerful Hurricanes in the Atlantic

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

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

Hurricane Erick at its peak intensity before making landfall on Guerrero, Mexico on June 19, 2025 (NOAA/Wikimedia Commons)

2025 Year in Review: Active Tropical Season for The Pacific

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide