• Friday

    Sep 4

    78°Lo 42°

    Mostly sunny and beautiful

    Unlikely for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Saturday

    Sep 5

    81°Lo 42°

    Sunshine and patchy clouds

    Unlikely for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Sunday

    Sep 6

    74°Lo 42°

    A p.m. t-storm in spots

    Unlikely for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      30%
    • Hours of Precip
      0
    more
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The History Behind the UV Index

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.