• Friday

    May 15

    77°Lo 51°

    Sunny and warm

    Watch for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Saturday

    May 16

    78°Lo 51°

    Cloudy and warm with a shower

    Advisory for hair frizz
    • Wind
      Gust
      22 mph
    • Precip
      41%
    • Hours of Precip
      1
    more
  • Sunday

    May 17

    78°Lo 51°

    Mostly sunny and warm

    Advisory for hair frizz
    • Wind
      Gust
      37 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.