• Friday

    May 15

    63°Lo 46°

    Becoming cloudy

    Unlikely for hair frizz
    • Wind
      Gust
      31 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Saturday

    May 16

    66°Lo 51°

    Cloudy

    Advisory for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Sunday

    May 17

    69°Lo 54°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      24 mph
    • Precip
      13%
    • 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.