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A couple of showers and thunderstorms
Strong t-storms, mainly later
Heavy t-storms; mostly cloudy
Partly sunny and pleasant
of sunlight, then sets at
of moolight, then sets at
Philadelphia faces not one, but two days of drenching and severe thunderstorms early this week. 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.