• Friday

    May 15

    78°Lo 50°

    Warm with partial sunshine

    Advisory for hair frizz
    • Wind
      Gust
      27 mph
    • Precip
      7%
    • Hours of Precip
      1
    more
  • Saturday

    May 16

    75°Lo 43°

    A morning thunderstorm or two

    Advisory for hair frizz
    • Wind
      Gust
      32 mph
    • Precip
      60%
    • Hours of Precip
      2.5
    more
  • Sunday

    May 17

    71°Lo 50°

    Sunshine and some clouds

    Advisory for hair frizz
    • Wind
      Gust
      40 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.