• Friday

    Jul 25

    99°Lo 67°

    Hot with sun and some clouds

    Frizz Forecast
    Weather
    • Wind
      Gust
      15 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Saturday

    Jul 26

    100°Lo 69°

    Very hot with clouds and sun

    Frizz Forecast
    Weather
    • Wind
      Gust
      11 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sunday

    Jul 27

    100°Lo 66°

    Partly sunny and very hot

    Frizz Forecast
    Weather
    • Wind
      Gust
      12 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.