• Friday

    Apr 24

    86°Lo 70°

    A couple of thunderstorms

    Warning for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      60%
    • Hours of Precip
      3
    more
  • Saturday

    Apr 25

    87°Lo 68°

    Intervals of clouds and sun

    Warning for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Sunday

    Apr 26

    83°Lo 64°

    Intervals of clouds and sun

    Advisory for hair frizz
    • Wind
      Gust
      24 mph
    • Precip
      9%
    • 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.