• Friday

    Aug 8

    70°Lo 44°

    Couple of thunderstorms

    Frizz Forecast
    Weather
    • Wind
      Gust
      8 mph
    • Precip
      61%
    • Hours of Precip
      2.5
    more
  • Saturday

    Aug 9

    76°Lo 46°

    Partly sunny, a few showers

    Frizz Forecast
    Weather
    • Wind
      Gust
      12 mph
    • Precip
      60%
    • Hours of Precip
      3.5
    more
  • Sunday

    Aug 10

    77°Lo 46°

    Afternoon thundershowers

    Frizz Forecast
    Weather
    • Wind
      Gust
      15 mph
    • Precip
      65%
    • 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.