Hourly Weather Forecast - Grayslake, IL

12 AM
18°F
40%
3mph
S
40% Chance of Flurries
Humidity
75%
Feels like
18°F
Dew Point
11°F
1 AM
18°F
50%
3mph
S
50% Chance of Flurries
Humidity
79%
Feels like
18°F
Dew Point
13°F
2 AM
19°F
60%
3mph
S
60% Chance of Flurries
Humidity
85%
Feels like
14°F
Dew Point
15°F
3 AM
20°F
60%
4mph
S
60% Chance of Flurries
Humidity
89%
Feels like
14°F
Dew Point
17°F
4 AM
20°F
70%
4mph
SSW
70% Chance of Flurries
Humidity
94%
Feels like
15°F
Dew Point
19°F
5 AM
20°F
70%
4mph
SSW
70% Chance of Flurries
Humidity
96%
Feels like
15°F
Dew Point
20°F
6 AM
20°F
40%
4mph
SW
40% Chance of Flurries
Humidity
97%
Feels like
14°F
Dew Point
20°F
7 AM
20°F
20%
5mph
WSW
Mostly Cloudy
Humidity
95%
Feels like
14°F
Dew Point
19°F
7:15 AM
8 AM
21°F
10%
6mph
WSW
Mostly Cloudy
Humidity
92%
Feels like
14°F
Dew Point
19°F
9 AM
22°F
10%
6mph
W
Cloudy
Humidity
90%
Feels like
14°F
Dew Point
20°F
10 AM
24°F
10%
8mph
W
Cloudy
Humidity
88%
Feels like
15°F
Dew Point
21°F
11 AM
25°F
10%
9mph
W
Cloudy
Humidity
82%
Feels like
16°F
Dew Point
21°F
12 PM
26°F
10%
10mph
W
Cloudy
Humidity
84%
Feels like
16°F
Dew Point
22°F
1 PM
26°F
10%
11mph
W
Mostly Cloudy
Humidity
83%
Feels like
16°F
Dew Point
22°F
2 PM
26°F
10%
12mph
W
Mostly Cloudy
Humidity
84%
Feels like
15°F
Dew Point
22°F
3 PM
25°F
30%
13mph
W
30% Chance of Heavy Snow
Humidity
85%
Feels like
14°F
Dew Point
21°F
4 PM
24°F
10%
13mph
W
Partly Cloudy
Humidity
84%
Feels like
13°F
Dew Point
20°F
4:52 PM
5 PM
24°F
10%
12mph
W
Partly Cloudy
Humidity
80%
Feels like
13°F
Dew Point
19°F
6 PM
24°F
10%
12mph
W
Mostly Clear
Humidity
76%
Feels like
13°F
Dew Point
18°F
7 PM
24°F
10%
12mph
W
Partly Cloudy
Humidity
72%
Feels like
13°F
Dew Point
17°F
8 PM
23°F
10%
12mph
W
Partly Cloudy
Humidity
71%
Feels like
12°F
Dew Point
15°F
9 PM
22°F
10%
12mph
W
Mostly Cloudy
Humidity
73%
Feels like
10°F
Dew Point
15°F
10 PM
20°F
10%
12mph
W
Partly Cloudy
Humidity
73%
Feels like
8°F
Dew Point
13°F
11 PM
18°F
10%
12mph
W
Partly Cloudy
Humidity
74%
Feels like
5°F
Dew Point
11°F

Snow Forecast through Sunday

Unrelenting Storm Track Brings Snow to Great Lakes & Northeast

A couple low pressure systems will produce additional snowfall across the Great Lakes, Upper Midwest, and Northeast this weekend into the upcoming week.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for January 15, 2026

Active Weather Creates Mix of Improvements, Degradations to Drought Depiction

Vehicle driving in wintry conditions

Prepare Your Car for Cold Weather

(Image provided by NOAA)

Polar Vortex: What Is It?

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

Safety Tips For Icy Surfaces

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