July 22, 2014; 2:17 AM ET
Cooler air will persist across the Chicago area into the weekend but temperatures will spike into next week. more >
Sunny to partly cloudy and humid
A severe evening t-storm; a t-storm in spots late; storms can bring downpours and damaging winds
Rises at 5:38 AM with 14:42 of sunlight, then sets at 8:20 PM
Rises at 2:12 AM with 14:45 of moolight, then sets at 4:57 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.