• Friday

    May 15

    80°Lo 58°

    Mostly cloudy and warm

    Advisory for hair frizz
    • Wind
      Gust
      29 mph
    • Precip
      3%
    • Hours of Precip
      2
    more
  • Saturday

    May 16

    71°Lo 51°

    Partly sunny; windy, colder

    Advisory for hair frizz
    • Wind
      Gust
      61 mph
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Sunday

    May 17

    80°Lo 52°

    Mostly cloudy and warmer

    Advisory for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      14%
    • 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.