• Friday

    Jan 30

    47°Lo 29°

    Cloudy to partly sunny

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      9%
    • Hours of Precip
      0
    more
  • Saturday

    Jan 31

    47°Lo 30°

    More clouds than sun

    Watch for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      8%
    • Hours of Precip
      0
    more
  • Sunday

    Feb 1

    45°Lo 23°

    Mostly sunny

    Unlikely for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      21%
    • 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.