• Friday

    Jul 18

    89°Lo 79°

    A morning thunderstorm or two

    Frizz Forecast
    Weather
    • Wind
      Gust
      15 mph
    • Precip
      60%
    • Hours of Precip
      1.5
    more
  • Saturday

    Jul 19

    90°Lo 81°

    A t-storm around in the a.m.

    Frizz Forecast
    Weather
    • Wind
      Gust
      17 mph
    • Precip
      55%
    • Hours of Precip
      1
    more
  • Sunday

    Jul 20

    91°Lo 81°

    Clouds and sun with a shower

    Frizz Forecast
    Weather
    • Wind
      Gust
      20 mph
    • Precip
      55%
    • 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.