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A p.m. t-storm in spots
Clouds yielding to sun
Mostly sunny and hot
Partly sunny and more humid
While temperatures and humidity levels will fluctuate slightly from day to day this week, unseasonable warmth will continue into next weekend around Washington, D.C. 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.