• Friday

    Feb 13

    22°Lo 11°

    Mostly cloudy and very cold

    Unlikely for hair frizz
    • Wind
      Gust
      27 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Saturday

    Feb 14

    28°Lo 27°

    Increasing cloudiness

    Unlikely for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Sunday

    Feb 15

    43°Lo 19°

    Spotty afternoon showers

    Watch for hair frizz
    • Wind
      Gust
      29 mph
    • Precip
      68%
    • 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.