May 25, 2015; 9:54 AM ET
Following the chance for early-week storms, temperatures in the Chicago area will be on a roller coaster leading into the weekend. more >
Rises at 5:17 AM with 15:06 of sunlight, then sets at 8:23 PM
Rises at 10:56 PM with 10:29 of moolight, then sets at 9:25 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.