• Friday

    Mar 13

    48°Lo 22°

    Mostly cloudy

    Watch for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      0%
    • Hours of Precip
      4.5
    more
  • Saturday

    Mar 14

    50°Lo 27°

    Mostly cloudy, a bit of ice

    Advisory for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      56%
    • Hours of Precip
      1.5
    more
  • Sunday

    Mar 15

    39°Lo 18°

    Cloudy and colder

    Advisory for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      0%
    • Hours of Precip
      0
    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.