Hourly Weather Forecast - Island Lake, IL

12 AM
41°F
10%
2mph
SSE
Partly Cloudy
Humidity
71%
Feels like
41°F
Dew Point
32°F
1 AM
40°F
0%
2mph
SSE
Partly Cloudy
Humidity
74%
Feels like
40°F
Dew Point
32°F
2 AM
39°F
0%
2mph
SSE
Mostly Cloudy
Humidity
76%
Feels like
39°F
Dew Point
32°F
3 AM
39°F
0%
2mph
SSE
Cloudy
Humidity
77%
Feels like
39°F
Dew Point
32°F
4 AM
38°F
0%
2mph
SSE
Cloudy
Humidity
78%
Feels like
38°F
Dew Point
32°F
5 AM
39°F
0%
2mph
SE
Cloudy
Humidity
79%
Feels like
39°F
Dew Point
33°F
6 AM
39°F
10%
2mph
SE
Cloudy
Humidity
79%
Feels like
39°F
Dew Point
33°F
6:47 AM
7 AM
41°F
10%
3mph
ESE
Mostly Cloudy
Humidity
78%
Feels like
41°F
Dew Point
34°F
8 AM
44°F
10%
3mph
SE
Mostly Cloudy
Humidity
73%
Feels like
42°F
Dew Point
36°F
9 AM
47°F
10%
4mph
SE
Mostly Cloudy
Humidity
67%
Feels like
46°F
Dew Point
37°F
10 AM
51°F
10%
4mph
SE
Mostly Cloudy
Humidity
62%
Feels like
51°F
Dew Point
38°F
11 AM
53°F
10%
5mph
SE
Partly Cloudy
Humidity
57%
Feels like
53°F
Dew Point
39°F
12 PM
55°F
10%
6mph
SE
Partly Cloudy
Humidity
54%
Feels like
55°F
Dew Point
39°F
1 PM
56°F
10%
7mph
SE
Partly Cloudy
Humidity
52%
Feels like
56°F
Dew Point
38°F
2 PM
55°F
10%
7mph
SE
Partly Cloudy
Humidity
53%
Feels like
55°F
Dew Point
38°F
3 PM
53°F
10%
7mph
SE
Mostly Sunny
Humidity
55%
Feels like
53°F
Dew Point
37°F
4 PM
51°F
20%
7mph
SE
Sunny
Humidity
59%
Feels like
51°F
Dew Point
37°F
5 PM
49°F
30%
6mph
SE
30% Chance Rain Showers
Humidity
62%
Feels like
46°F
Dew Point
37°F
6 PM
47°F
30%
6mph
SE
30% Chance Rain Showers
Humidity
66%
Feels like
44°F
Dew Point
36°F
7 PM
44°F
30%
5mph
SE
30% Chance Rain Showers
Humidity
71%
Feels like
41°F
Dew Point
35°F
7:10 PM
8 PM
42°F
30%
5mph
SE
30% Chance Rain Showers
Humidity
78%
Feels like
39°F
Dew Point
35°F
9 PM
39°F
20%
5mph
SSE
Partly Cloudy
Humidity
85%
Feels like
36°F
Dew Point
35°F
10 PM
38°F
20%
4mph
S
Partly Cloudy
Humidity
92%
Feels like
34°F
Dew Point
35°F
11 PM
36°F
20%
4mph
S
Partly Cloudy
Humidity
97%
Feels like
32°F
Dew Point
35°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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