• Friday

    May 1

    80°Lo 58°

    Morning rain, then t-storms

    Warning for hair frizz
    • Wind
      Gust
      39 mph
    • Precip
      83%
    • Hours of Precip
      6
    more
  • Saturday

    May 2

    81°Lo 50°

    Clouding up

    Unlikely for hair frizz
    • Wind
      Gust
      28 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Sunday

    May 3

    77°Lo 50°

    Mostly cloudy

    Unlikely for hair frizz
    • Wind
      Gust
      36 mph
    • Precip
      3%
    • 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.