• Friday

    May 29

    76°Lo 51°

    Not as warm with a t-storm

    Watch for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      56%
    • Hours of Precip
      1.5
    more
  • Saturday

    May 30

    70°Lo 40°

    Partly sunny with a shower

    Unlikely for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      55%
    • Hours of Precip
      1
    more
  • Sunday

    May 31

    69°Lo 54°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      16 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.