• Clouds and sun 84°
    Hair Frizz Current Weather
    • Relative Humidity
      42%
    • Wind
      Speed
      4 mph
    • Dew
      Point
      59°
  • Today

    Aug 29

    Hi 86°

    An afternoon thunderstorm

    Unlikely for hair frizz
    • Wind
      Gust
      5 mph
    • Precip
      51%
    • Hours of Precip
      1
    Day Details >
  • Tomorrow

    Aug 30

    Hi 81°

    A t-storm in the afternoon

    Advisory for hair frizz
    • Wind
      Gust
      5 mph
    • Precip
      51%
    • Hours of Precip
      0.5
    Day Details >
  • Monday

    Aug 31

    Hi 84°

    A thunderstorm in spots

    Advisory for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      40%
    • Hours of Precip
      1
    Day Details >
Next

Thunderstorms in the area this afternoon through this evening

8/29 8/30 Now: 2:18pm
PM 2-6
  • 2pm Partly sunny 85° 43%
  • 3pm Mostly sunny 86° 47%
  • 4pm Partly sunny w/ t-storms 83° 51%
  • 5pm Mostly sunny 83° 17%
  • 6pm Mostly sunny 82° 13%
AM 1-6
  • 1am Partly cloudy 68° 33%
  • 2am Partly cloudy 67° 33%
  • 3am Partly cloudy 66° 33%
  • 4am Partly cloudy 65° 33%
  • 5am Partly cloudy 65° 33%
  • 6am Partly cloudy 64° 33%
AM 7-12
  • 7am Partly cloudy 64° 24%
  • 8am Intermittent clouds 65° 7%
  • 9am Intermittent clouds 68° 7%
  • 10am Intermittent clouds 71° 7%
  • 11am Intermittent clouds 75° 7%
  • 12pm Intermittent clouds 77° 7%
Hourly Forecast >
Aug 29, 2015; 4:51 AM ET
Five-day Weather Forecast for Knoxville, TN
Knoxville, TN Weather Forecast

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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.

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