• Friday

    Jul 17

    95°Lo 74°

    Overcast with a thunderstorm

    Warning for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      54%
    • Hours of Precip
      2
    more
  • Saturday

    Jul 18

    88°Lo 75°

    A thunderstorm possible

    Warning for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      30%
    • Hours of Precip
      0
    more
  • Sunday

    Jul 19

    89°Lo 74°

    An afternoon thunderstorm

    Warning for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      53%
    • Hours of Precip
      1
    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.