February 1, 2015; 9:10 AM ET
A major snowstorm will hit the Chicago area head on this weekend, leading to travel delays and major disruptions to daily activities. more >
Partly sunny and frigid
Clear and frigid; extreme cold can be dangerous for outdoor activities late
Rises at 7:01 AM with 10:12 of sunlight, then sets at 5:13 PM
Rises at 7:10 PM with 12:53 of moolight, then sets at 8:03 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.