• Friday

    Jul 17

    74°Lo 49°

    A p.m. t-storm possible

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      30%
    • Hours of Precip
      0
    more
  • Saturday

    Jul 18

    81°Lo 42°

    Times of clouds and sun

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Sunday

    Jul 19

    84°Lo 55°

    A p.m. t-storm possible

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      30%
    • Hours of Precip
      2
    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.