Hourly Weather Forecast - Grayslake, IL

12 AM
18°F
10%
15mph
WNW
Mostly Clear
Humidity
65%
Feels like
3°F
Dew Point
8°F
1 AM
17°F
10%
14mph
WNW
Mostly Clear
Humidity
64%
Feels like
2°F
Dew Point
7°F
2 AM
16°F
10%
13mph
WNW
Mostly Clear
Humidity
63%
Feels like
1°F
Dew Point
5°F
3 AM
14°F
0%
13mph
WNW
Mostly Clear
Humidity
62%
Feels like
0°F
Dew Point
4°F
4 AM
13°F
0%
12mph
WNW
Mostly Clear
Humidity
62%
Feels like
-1°F
Dew Point
3°F
5 AM
12°F
0%
11mph
WNW
Mostly Clear
Humidity
63%
Feels like
-1°F
Dew Point
2°F
6 AM
12°F
0%
10mph
WNW
Clear
Humidity
63%
Feels like
-1°F
Dew Point
2°F
7 AM
12°F
0%
9mph
WNW
Clear
Humidity
62%
Feels like
-1°F
Dew Point
2°F
7:16 AM
8 AM
12°F
0%
9mph
WNW
Sunny
Humidity
60%
Feels like
0°F
Dew Point
1°F
9 AM
13°F
0%
9mph
WNW
Sunny
Humidity
57%
Feels like
2°F
Dew Point
1°F
10 AM
15°F
0%
7mph
WNW
Sunny
Humidity
54%
Feels like
4°F
Dew Point
1°F
11 AM
16°F
0%
6mph
W
Sunny
Humidity
52%
Feels like
7°F
Dew Point
2°F
12 PM
17°F
10%
6mph
W
Sunny
Humidity
51%
Feels like
9°F
Dew Point
2°F
1 PM
18°F
10%
5mph
WSW
Sunny
Humidity
49%
Feels like
10°F
Dew Point
2°F
2 PM
19°F
10%
5mph
SW
Sunny
Humidity
49%
Feels like
12°F
Dew Point
3°F
3 PM
19°F
10%
5mph
SW
Sunny
Humidity
49%
Feels like
12°F
Dew Point
3°F
4 PM
20°F
10%
4mph
SSW
Mostly Sunny
Humidity
50%
Feels like
13°F
Dew Point
4°F
4:21 PM
5 PM
20°F
10%
5mph
S
Mostly Clear
Humidity
53%
Feels like
13°F
Dew Point
5°F
6 PM
20°F
10%
5mph
S
Partly Cloudy
Humidity
55%
Feels like
13°F
Dew Point
6°F
7 PM
20°F
10%
5mph
S
Partly Cloudy
Humidity
59%
Feels like
12°F
Dew Point
8°F
8 PM
20°F
10%
6mph
S
Partly Cloudy
Humidity
61%
Feels like
11°F
Dew Point
8°F
9 PM
20°F
10%
7mph
S
Partly Cloudy
Humidity
62%
Feels like
11°F
Dew Point
9°F
10 PM
21°F
10%
7mph
S
Partly Cloudy
Humidity
62%
Feels like
12°F
Dew Point
10°F
11 PM
21°F
10%
8mph
S
Mostly Cloudy
Humidity
62%
Feels like
12°F
Dew Point
10°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

Sunday Weather Outlook

Today'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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