September 5, 2015; 1:43 AM ET
As the Labor Day weekend shapes up, Chicago residents will see mostly sunny and humid conditions until the holiday itself on Monday. more >
Mostly cloudy with a shower or thunderstorm around; very warm and humid
Cloudy, warm and humid; a couple of thunderstorms around late
Rises at 6:23 AM with 12:53 of sunlight, then sets at 7:16 PM
Rises at 1:09 AM with 14:43 of moolight, then sets at 3:52 PM
Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.