• Friday

    Aug 8

    84°Lo 70°

    Rain and a thunderstorm

    Frizz Forecast
    Weather
    • Wind
      Gust
      16 mph
    • Precip
      79%
    • Hours of Precip
      8
    more
  • Saturday

    Aug 9

    92°Lo 71°

    Warmer with a stray t-storm

    Frizz Forecast
    Weather
    • Wind
      Gust
      15 mph
    • Precip
      40%
    • Hours of Precip
      1
    more
  • Sunday

    Aug 10

    94°Lo 72°

    Partly sunny, a stray t-storm

    Frizz Forecast
    Weather
    • Wind
      Gust
      17 mph
    • Precip
      41%
    • Hours of Precip
      1.5
    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.