• Friday

    Dec 26

    54°Lo 31°

    A passing shower or two

    Advisory for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      55%
    • Hours of Precip
      2
    more
  • Saturday

    Dec 27

    43°Lo 26°

    Partly sunny and colder

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      15%
    • Hours of Precip
      0
    more
  • Sunday

    Dec 28

    46°Lo 28°

    Sunshine

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      20%
    • 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.