October 23, 2014; 1:59 AM ET
Temperatures will gradually rise into the weekend in Chicago. more >
Cloudy with a little rain, mixing with snow late
Rises at 7:38 AM with 9:54 of sunlight, then sets at 5:32 PM
Rises at 10:52 PM with 14:06 of moolight, then sets at 12:58 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.