• Friday

    Jul 18

    89°Lo 71°

    Spotty morning showers

    Frizz Forecast
    Weather
    • Wind
      Gust
      8 mph
    • Precip
      61%
    • Hours of Precip
      5
    more
  • Saturday

    Jul 19

    91°Lo 72°

    Rain in the afternoon

    Frizz Forecast
    Weather
    • Wind
      Gust
      11 mph
    • Precip
      69%
    • Hours of Precip
      4.5
    more
  • Sunday

    Jul 20

    94°Lo 76°

    An afternoon t-storm or two

    Frizz Forecast
    Weather
    • Wind
      Gust
      15 mph
    • Precip
      61%
    • Hours of Precip
      2.5
    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.