Hourly Weather Forecast - Crystal Lake, IL

12 AM
31°F
0%
3mph
SE
Mostly Cloudy
Humidity
66%
Feels like
31°F
Dew Point
21°F
1 AM
31°F
0%
3mph
SSE
Mostly Cloudy
Humidity
67%
Feels like
28°F
Dew Point
21°F
2 AM
31°F
0%
3mph
SSE
Mostly Cloudy
Humidity
66%
Feels like
28°F
Dew Point
21°F
3 AM
31°F
0%
3mph
SSE
Cloudy
Humidity
65%
Feels like
28°F
Dew Point
21°F
4 AM
31°F
0%
4mph
S
Cloudy
Humidity
64%
Feels like
28°F
Dew Point
20°F
5 AM
31°F
0%
4mph
S
Cloudy
Humidity
63%
Feels like
28°F
Dew Point
20°F
6 AM
32°F
0%
4mph
S
Cloudy
Humidity
60%
Feels like
28°F
Dew Point
20°F
6:50 AM
7 AM
33°F
0%
4mph
S
Cloudy
Humidity
57%
Feels like
29°F
Dew Point
20°F
8 AM
36°F
0%
5mph
S
Cloudy
Humidity
57%
Feels like
32°F
Dew Point
22°F
9 AM
39°F
0%
6mph
SSW
Mostly Cloudy
Humidity
54%
Feels like
35°F
Dew Point
24°F
10 AM
43°F
0%
6mph
SSW
Mostly Cloudy
Humidity
51%
Feels like
39°F
Dew Point
26°F
11 AM
46°F
0%
6mph
SSW
Mostly Cloudy
Humidity
48%
Feels like
43°F
Dew Point
27°F
12 PM
49°F
0%
7mph
SSW
Cloudy
Humidity
44%
Feels like
47°F
Dew Point
28°F
1 PM
52°F
0%
7mph
SSW
Cloudy
Humidity
41%
Feels like
52°F
Dew Point
29°F
2 PM
54°F
0%
6mph
SW
Cloudy
Humidity
39%
Feels like
54°F
Dew Point
30°F
3 PM
55°F
0%
6mph
SW
Mostly Cloudy
Humidity
39%
Feels like
55°F
Dew Point
30°F
4 PM
55°F
0%
5mph
SW
Mostly Cloudy
Humidity
40%
Feels like
55°F
Dew Point
31°F
5 PM
53°F
0%
4mph
SW
Partly Cloudy
Humidity
43%
Feels like
53°F
Dew Point
31°F
6 PM
52°F
0%
3mph
SW
Partly Cloudy
Humidity
48%
Feels like
52°F
Dew Point
33°F
7 PM
50°F
10%
2mph
SW
Mostly Sunny
Humidity
54%
Feels like
50°F
Dew Point
34°F
7:09 PM
8 PM
48°F
10%
2mph
SSW
Mostly Clear
Humidity
60%
Feels like
48°F
Dew Point
35°F
9 PM
46°F
10%
2mph
SSW
Partly Cloudy
Humidity
64%
Feels like
46°F
Dew Point
35°F
10 PM
45°F
10%
3mph
S
Partly Cloudy
Humidity
68%
Feels like
45°F
Dew Point
35°F
11 PM
44°F
10%
3mph
S
Partly Cloudy
Humidity
71%
Feels like
44°F
Dew Point
35°F

Saturday's High Temperature Outlook

Scorching Heat Continues Across the Southwest

Dozens of record high temperatures will be challenged or shattered across the Southwest today.

Weekend Weather Outlook

Weekend Weather Outlook

Weekly Drought Map for March 19, 2026

Active Weather, Drought Improvements for Eastern Half; Drying Persists Elsewhere

(Image provided by Pixabay.com)

Lightning Safety

A tree knocked over after a storm produced high winds. (provided by PublicDomainPictures via Pixabay.com)

Strong Winds in the Springtime

Story image: WeatherBug user Pat S. captures a plant blooming in Columbia, Md., on February 24, 2017.

When Does Spring Begin?

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