Hourly Weather Forecast - Grayslake, IL

12 AM
17°F
20%
2mph
W
Cloudy
Humidity
89%
Feels like
17°F
Dew Point
14°F
1 AM
17°F
20%
2mph
WNW
Cloudy
Humidity
89%
Feels like
17°F
Dew Point
14°F
2 AM
17°F
20%
2mph
NW
Cloudy
Humidity
89%
Feels like
17°F
Dew Point
14°F
3 AM
16°F
20%
2mph
NNW
Cloudy
Humidity
89%
Feels like
16°F
Dew Point
14°F
4 AM
17°F
30%
1mph
NNW
30% Chance Freezing Rain
Humidity
88%
Feels like
17°F
Dew Point
14°F
5 AM
17°F
30%
1mph
NW
30% Chance Freezing Rain
Humidity
88%
Feels like
17°F
Dew Point
14°F
6 AM
18°F
30%
1mph
NW
30% Chance Freezing Rain
Humidity
87%
Feels like
18°F
Dew Point
15°F
7 AM
19°F
20%
2mph
NW
Cloudy
Humidity
87%
Feels like
19°F
Dew Point
16°F
7:11 AM
8 AM
21°F
10%
2mph
NW
Cloudy
Humidity
86%
Feels like
21°F
Dew Point
17°F
9 AM
22°F
10%
2mph
WNW
Cloudy
Humidity
85%
Feels like
22°F
Dew Point
19°F
10 AM
24°F
10%
2mph
WNW
Cloudy
Humidity
81%
Feels like
24°F
Dew Point
19°F
11 AM
26°F
20%
3mph
WNW
Cloudy
Humidity
78%
Feels like
26°F
Dew Point
20°F
12 PM
28°F
20%
3mph
W
Mostly Cloudy
Humidity
75%
Feels like
28°F
Dew Point
21°F
1 PM
28°F
20%
3mph
W
Mostly Cloudy
Humidity
73%
Feels like
25°F
Dew Point
21°F
2 PM
29°F
20%
4mph
WNW
Mostly Cloudy
Humidity
73%
Feels like
24°F
Dew Point
21°F
3 PM
28°F
10%
5mph
WNW
Mostly Cloudy
Humidity
75%
Feels like
23°F
Dew Point
21°F
4 PM
27°F
10%
5mph
WNW
Mostly Cloudy
Humidity
78%
Feels like
21°F
Dew Point
21°F
4:19 PM
5 PM
26°F
10%
6mph
W
Mostly Cloudy
Humidity
82%
Feels like
20°F
Dew Point
21°F
6 PM
26°F
20%
6mph
W
Partly Cloudy
Humidity
84%
Feels like
18°F
Dew Point
21°F
7 PM
25°F
10%
6mph
WNW
Partly Cloudy
Humidity
86%
Feels like
17°F
Dew Point
21°F
8 PM
24°F
10%
7mph
WNW
Partly Cloudy
Humidity
86%
Feels like
16°F
Dew Point
20°F
9 PM
23°F
10%
8mph
WNW
Partly Cloudy
Humidity
87%
Feels like
14°F
Dew Point
20°F
10 PM
22°F
10%
9mph
WNW
Partly Cloudy
Humidity
87%
Feels like
12°F
Dew Point
18°F
11 PM
20°F
10%
9mph
WNW
Mostly Cloudy
Humidity
86%
Feels like
10°F
Dew Point
17°F

Rainfall Forecast for Northwest through Thursday

Heavy Rain, Flooding Soaks The Northwest

A fast-moving series of atmospheric rivers continue to drench the Pacific Northwest today through Thursday.

Snow and ice forecast through Thursday A.M.

Snow Barrels Across the Northern U.S.

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide