• Friday

    May 29

    65°Lo 47°

    Mostly cloudy, a few showers

    Advisory for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      59%
    • Hours of Precip
      2
    more
  • Saturday

    May 30

    72°Lo 42°

    Clouds and breaks of sun

    Watch for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      21%
    • Hours of Precip
      0
    more
  • Sunday

    May 31

    67°Lo 50°

    Clouds giving way to some sun

    Watch for hair frizz
    • Wind
      Gust
      25 mph
    • Precip
      0%
    • 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.