• Friday

    Jul 25

    99°Lo 67°

    Partly sunny and hot

    Frizz Forecast
    Weather
    • Wind
      Gust
      13 mph
    • Precip
      3%
    • Hours of Precip
      1
    more
  • Saturday

    Jul 26

    90°Lo 63°

    A strong thunderstorm; colder

    Frizz Forecast
    Weather
    • Wind
      Gust
      17 mph
    • Precip
      40%
    • Hours of Precip
      2
    more
  • Sunday

    Jul 27

    89°Lo 64°

    Sunshine

    Frizz Forecast
    Weather
    • Wind
      Gust
      9 mph
    • Precip
      15%
    • 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.