Hourly Weather Forecast - Crystal Lake, IL

12 AM
42°F
0%
3mph
ESE
Mostly Cloudy
Humidity
70%
Feels like
42°F
Dew Point
33°F
1 AM
41°F
0%
3mph
ESE
Partly Cloudy
Humidity
74%
Feels like
40°F
Dew Point
33°F
2 AM
41°F
0%
3mph
ESE
Mostly Cloudy
Humidity
75%
Feels like
39°F
Dew Point
33°F
3 AM
40°F
0%
3mph
E
Cloudy
Humidity
78%
Feels like
39°F
Dew Point
34°F
4 AM
40°F
0%
3mph
ENE
Cloudy
Humidity
79%
Feels like
37°F
Dew Point
34°F
5 AM
39°F
0%
4mph
ENE
Cloudy
Humidity
81%
Feels like
37°F
Dew Point
34°F
6 AM
39°F
10%
4mph
ENE
Cloudy
Humidity
81%
Feels like
36°F
Dew Point
34°F
6:48 AM
7 AM
40°F
10%
4mph
ENE
Mostly Cloudy
Humidity
77%
Feels like
38°F
Dew Point
34°F
8 AM
43°F
10%
5mph
E
Mostly Cloudy
Humidity
73%
Feels like
40°F
Dew Point
35°F
9 AM
46°F
10%
6mph
E
Mostly Cloudy
Humidity
65%
Feels like
43°F
Dew Point
35°F
10 AM
49°F
10%
6mph
E
Mostly Cloudy
Humidity
59%
Feels like
46°F
Dew Point
35°F
11 AM
50°F
10%
7mph
ESE
Partly Cloudy
Humidity
54%
Feels like
50°F
Dew Point
34°F
12 PM
51°F
10%
8mph
ESE
Partly Cloudy
Humidity
52%
Feels like
51°F
Dew Point
34°F
1 PM
51°F
10%
8mph
SE
Partly Cloudy
Humidity
51%
Feels like
51°F
Dew Point
33°F
2 PM
50°F
10%
8mph
SE
Partly Cloudy
Humidity
50%
Feels like
50°F
Dew Point
32°F
3 PM
49°F
10%
7mph
SE
Mostly Sunny
Humidity
51%
Feels like
46°F
Dew Point
32°F
4 PM
48°F
20%
7mph
SE
Sunny
Humidity
52%
Feels like
45°F
Dew Point
31°F
5 PM
47°F
20%
6mph
SE
Sunny
Humidity
54%
Feels like
44°F
Dew Point
32°F
6 PM
45°F
20%
6mph
SE
Sunny
Humidity
58%
Feels like
42°F
Dew Point
31°F
7 PM
43°F
20%
5mph
SE
Sunny
Humidity
62%
Feels like
40°F
Dew Point
31°F
7:11 PM
8 PM
41°F
10%
4mph
SE
Mostly Clear
Humidity
67%
Feels like
38°F
Dew Point
31°F
9 PM
41°F
10%
4mph
SSE
Partly Cloudy
Humidity
69%
Feels like
38°F
Dew Point
31°F
10 PM
41°F
10%
4mph
S
Partly Cloudy
Humidity
70%
Feels like
38°F
Dew Point
32°F
11 PM
41°F
10%
4mph
S
Partly Cloudy
Humidity
73%
Feels like
38°F
Dew Point
33°F

Today's High Temperature Outlook

Early Spring Heat Wave Zaps Southwest

Much of the Southwest will observe record-breaking heat through the weekend, with high temperatures reminiscent of mid-summer!

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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