Hourly Weather Forecast - Crystal Lake, IL

12 AM
28°F
10%
3mph
N
Cloudy
Humidity
80%
Feels like
24°F
Dew Point
22°F
1 AM
27°F
10%
3mph
N
Cloudy
Humidity
80%
Feels like
24°F
Dew Point
22°F
2 AM
27°F
10%
3mph
N
Mostly Cloudy
Humidity
80%
Feels like
23°F
Dew Point
22°F
3 AM
27°F
20%
3mph
N
Mostly Cloudy
Humidity
80%
Feels like
23°F
Dew Point
21°F
4 AM
26°F
20%
3mph
N
Mostly Cloudy
Humidity
80%
Feels like
22°F
Dew Point
21°F
5 AM
26°F
20%
4mph
N
Cloudy
Humidity
81%
Feels like
22°F
Dew Point
21°F
6 AM
25°F
20%
4mph
N
Cloudy
Humidity
85%
Feels like
20°F
Dew Point
21°F
6:54 AM
7 AM
25°F
20%
3mph
N
Cloudy
Humidity
84%
Feels like
25°F
Dew Point
21°F
8 AM
27°F
20%
4mph
N
Cloudy
Humidity
81%
Feels like
22°F
Dew Point
22°F
9 AM
29°F
20%
4mph
NNE
Cloudy
Humidity
74%
Feels like
24°F
Dew Point
22°F
10 AM
32°F
20%
4mph
NNE
Cloudy
Humidity
68%
Feels like
27°F
Dew Point
22°F
11 AM
34°F
10%
4mph
NNE
Cloudy
Humidity
63%
Feels like
30°F
Dew Point
23°F
12 PM
37°F
10%
4mph
NNE
Cloudy
Humidity
60%
Feels like
33°F
Dew Point
24°F
1 PM
38°F
10%
5mph
N
Cloudy
Humidity
58%
Feels like
35°F
Dew Point
25°F
2 PM
39°F
10%
4mph
N
Cloudy
Humidity
58%
Feels like
36°F
Dew Point
26°F
3 PM
39°F
10%
4mph
N
Cloudy
Humidity
61%
Feels like
36°F
Dew Point
26°F

Saturday Morning's Low Temperatures

Snow, Record-Breaking Cold Headed for Great Lakes & Northeast

Frigid temperatures, high winds, and snow headed to a large portion of the eastern U.S. today through this weekend.

Weekend Weather Outlook

Weekend Weather Outlook

Image courtesy of Pixabay.com

All About Snow Squalls

Weekly Drought Map for February 5, 2026

Scarce Precipitation Leads to Widespread Drought Degradation

Image by Frauke Feind from Pixabay

During Strong Winds: Stay Ready

Windchill chart

Dangers of Wind Chills

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide