• Friday

    Jul 10

    91°Lo 79°

    An a.m. t-storm; mostly sunny

    Advisory for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      55%
    • Hours of Precip
      0.5
    more
  • Saturday

    Jul 11

    91°Lo 78°

    Partly sunny with a shower

    Advisory for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      55%
    • Hours of Precip
      1
    more
  • Sunday

    Jul 12

    90°Lo 78°

    A thunderstorm or two

    Warning for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      60%
    • Hours of Precip
      2.5
    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.