• Friday

    Jul 10

    81°Lo 61°

    A couple of showers

    Warning for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      77%
    • Hours of Precip
      3
    more
  • Saturday

    Jul 11

    80°Lo 61°

    Partly sunny

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

    Jul 12

    75°Lo 59°

    Cloudy

    Advisory for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      2%
    • Hours of Precip
      0.5
    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.