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Clouds yielding to some sun
Colder with some snow
Milder air is headed back to Detroit before winter makes a comeback 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.