• Friday

    May 8

    80°Lo 58°

    Mostly sunny and warmer

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Saturday

    May 9

    83°Lo 60°

    Times of clouds and sun

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Sunday

    May 10

    83°Lo 61°

    Thunderstorms possible

    Watch for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      35%
    • 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.