• Friday

    Jul 17

    78°Lo 54°

    Plenty of sunshine

    Advisory for hair frizz
    • Wind
      Gust
      21 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Saturday

    Jul 18

    82°Lo 50°

    A thunderstorm possible

    Watch for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      30%
    • Hours of Precip
      0
    more
  • Sunday

    Jul 19

    75°Lo 57°

    Overcast

    Advisory for hair frizz
    • Wind
      Gust
      16 mph
    • Precip
      25%
    • 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.