October 8, 2015; 7:54 AM ET
Chicago will experience a fluctuation in temperatures through the weekend. more >
A couple of evening showers; otherwise, windy with clearing
Rises at 7:22 AM with 10:28 of sunlight, then sets at 5:50 PM
Rises at 8:52 PM with 14:47 of moolight, then sets at 11:39 AM
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.