• Mostly cloudy 74°
    Hair Frizz Current Weather
    • Relative Humidity
      88%
    • Wind
      Speed
      8 mph
    • Dew
      Point
      70°
  • Today

    Sep 21

    Hi 81°

    A strong afternoon t-storm

    Advisory for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      65%
    • Hours of Precip
      2.5
    Day Details >
  • Tomorrow

    Sep 22

    Hi 74°

    Sunny and not as warm

    Watch for hair frizz
    • Wind
      Gust
      11 mph
    • Precip
      10%
    • Hours of Precip
      0
    Day Details >
  • Tuesday

    Sep 23

    Hi 77°

    Sunny and pleasant

    Watch for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      0%
    • Hours of Precip
      0
    Day Details >
Next

A thundershower early this evening

9/21 9/22 Now: 5:59pm
PM 5-9
  • 5pm Thunderstorms 77° 56%
  • 6pm Thunderstorms 74° 53%
  • 7pm Intermittent clouds 72° 49%
  • 8pm Partly cloudy 69° 47%
  • 9pm Partly cloudy w/ t-storms 68° 51%
AM 4-9
  • 4am Mostly clear 56° 20%
  • 5am Mostly clear 55° 20%
  • 6am Mostly clear 53° 20%
  • 7am Mostly sunny 54° 14%
  • 8am Mostly sunny 57° 1%
  • 9am Mostly sunny 60° 1%
AM 10-3
  • 10am Mostly sunny 64° 1%
  • 11am Mostly sunny 68° 1%
  • 12pm Mostly sunny 69° 1%
  • 1pm Mostly sunny 71° 1%
  • 2pm Mostly sunny 72° 0%
  • 3pm Mostly sunny 74° 0%
Hourly Forecast >
Sep 21, 2014; 11:59 AM ET
Showers and a thunderstorm late this afternoon through this evening
Chattanooga, 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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