• Friday

    Apr 25

    72°Lo 48°

    A thunderstorm in spots

    Watch for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      40%
    • Hours of Precip
      1.5
    more
  • Saturday

    Apr 26

    74°Lo 43°

    Mostly sunny

    Unlikely for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      23%
    • Hours of Precip
      0
    more
  • Sunday

    Apr 27

    65°Lo 38°

    Partly sunny

    Unlikely for hair frizz
    • Wind
      Gust
      33 mph
    • Precip
      1%
    • 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.