• Friday

    May 8

    88°Lo 72°

    A stray morning shower

    Warning for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      40%
    • Hours of Precip
      1.5
    more
  • Saturday

    May 9

    86°Lo 69°

    Cloudy with a stray t-storm

    Warning for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      41%
    • Hours of Precip
      4
    more
  • Sunday

    May 10

    81°Lo 73°

    Cloudy with a shower; humid

    Warning for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      41%
    • Hours of Precip
      1
    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.