• Cloudy 55°
    Hair Frizz Current Weather
    • Relative Humidity
      68%
    • Wind
      Speed
      4 mph
    • Dew
      Point
      45°
  • Today

    Mar 1

    Hi 56°

    Cloudy with a shower in spots

    Watch for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      50%
    • Hours of Precip
      0.5
    Day Details >
  • Tomorrow

    Mar 2

    Hi 53°

    Occasional rain and drizzle

    Advisory for hair frizz
    • Wind
      Gust
      10 mph
    • Precip
      55%
    • Hours of Precip
      6
    Day Details >
  • Tuesday

    Mar 3

    Hi 69°

    Cloudy with a shower; warmer

    Advisory for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      55%
    • Hours of Precip
      3.5
    Day Details >
Next

Rain from late Tuesday night until late Wednesday night, when it will change to sleet; watch for icy spots

3/1 3/2 Now: 3:10pm
PM 3-7
  • 3pm Cloudy 55° 37%
  • 4pm Cloudy 56° 47%
  • 5pm Showers 56° 51%
  • 6pm Cloudy 54° 47%
  • 7pm Cloudy 52° 20%
AM 2-7
  • 2am Cloudy 47° 7%
  • 3am Cloudy 49° 7%
  • 4am Cloudy 50° 7%
  • 5am Cloudy 50° 7%
  • 6am Cloudy 50° 10%
  • 7am Cloudy 49° 49%
AM 8-1
  • 8am Rain 49° 55%
  • 9am Rain 48° 55%
  • 10am Cloudy 48° 49%
  • 11am Cloudy 48° 47%
  • 12pm Rain 49° 51%
  • 1pm Rain 50° 51%
Hourly Forecast >
Mar 01, 2015; 7:00 AM ET
Rain and thunderstorms late tonight through Wednesday 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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