October 8, 2015; 1:54 PM ET
Chicago will experience a fluctuation in temperatures through the weekend. more >
Considerable morning cloudiness, then times of clouds and sun in the afternoon; breezy and cooler
Clear to partly cloudy
Rises at 6:57 AM with 11:23 of sunlight, then sets at 6:20 PM
Rises at 3:45 AM with 13:06 of moolight, then sets at 4:51 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.