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A passing afternoon shower
Very windy; morning flurries
Partly sunny and not as cold
Milder with a shower possible
After some springlike weather to kick off the week, winter weather will make a comeback in Chicago at midweek. more >
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.