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A couple of showers and thunderstorms
A thunderstorm or two
Humid with periods of sun
Rather cloudy with t-storms
Times of clouds and sun
Thunderstorms and showers will persist in the Chicago area throughout the holiday weekend, bringing the risk of disrupting outdoor activities and weekend plans. 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.