• Friday

    Mar 6

    43°Lo 20°

    Sunny and not as cold

    Unlikely for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      6%
    • Hours of Precip
      0
    more
  • Saturday

    Mar 7

    50°Lo 35°

    Mostly sunny and chilly

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

    Mar 8

    54°Lo 26°

    Sun and clouds

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      19%
    • 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.