Hourly Weather Forecast - Grayslake, IL

12 AM
22°F
10%
8mph
S
Cloudy
Humidity
70%
Feels like
13°F
Dew Point
14°F
1 AM
23°F
10%
9mph
S
Cloudy
Humidity
70%
Feels like
14°F
Dew Point
15°F
2 AM
24°F
10%
9mph
S
Cloudy
Humidity
70%
Feels like
14°F
Dew Point
15°F
3 AM
24°F
10%
10mph
S
Cloudy
Humidity
70%
Feels like
14°F
Dew Point
16°F
4 AM
24°F
10%
10mph
S
Cloudy
Humidity
70%
Feels like
15°F
Dew Point
16°F
5 AM
24°F
10%
9mph
S
Cloudy
Humidity
71%
Feels like
15°F
Dew Point
17°F
6 AM
25°F
10%
9mph
S
Cloudy
Humidity
72%
Feels like
15°F
Dew Point
17°F
7 AM
26°F
10%
10mph
SSW
Cloudy
Humidity
71%
Feels like
17°F
Dew Point
18°F
7:17 AM
8 AM
29°F
10%
10mph
SSW
Cloudy
Humidity
68%
Feels like
20°F
Dew Point
19°F
9 AM
31°F
10%
10mph
SSW
Mostly Cloudy
Humidity
66%
Feels like
22°F
Dew Point
21°F
10 AM
33°F
10%
10mph
SSW
Mostly Cloudy
Humidity
63%
Feels like
25°F
Dew Point
22°F
11 AM
35°F
10%
10mph
SSW
Mostly Cloudy
Humidity
62%
Feels like
28°F
Dew Point
23°F
12 PM
37°F
10%
10mph
SSW
Mostly Cloudy
Humidity
60%
Feels like
30°F
Dew Point
24°F
1 PM
38°F
10%
9mph
SW
Mostly Cloudy
Humidity
59%
Feels like
32°F
Dew Point
25°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

Monday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

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

Cold Air Damming - Cause And Effects

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