• Friday

    Jul 10

    87°Lo 67°

    An afternoon thunderstorm

    Advisory for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      55%
    • Hours of Precip
      1.5
    more
  • Saturday

    Jul 11

    89°Lo 68°

    Mostly sunny and humid

    Warning for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      10%
    • Hours of Precip
      2
    more
  • Sunday

    Jul 12

    87°Lo 68°

    A thunderstorm or two

    Warning for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      61%
    • Hours of Precip
      4
    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.