National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fog/Mist

54°F

12°C

Humidity 97%
Wind Speed W 6 mph
Barometer 30.04 in (1016.9 mb)
Dewpoint 53°F (12°C)
Visibility 2.50 mi
Wind Chill52°F (11°C)
Last update 9 Mar 4:53 am EDT
Extended Forecast for

4 Miles N Greenback TN

Dense Fog Advisory until March 9, 10:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until March 9, 10:00am

    NOW until 10:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 54 °F

    Mostly Cloudy

  • Monday

    Monday: Patchy fog between 8am and 10am. Otherwise, mostly sunny, with a high near 75. Southwest wind 5 to 10 mph.

    High: 75 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 60. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms likely before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 76. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

    High: 76 °F

    Showers
    Likely then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind 5 to 10 mph.

    Low: 64 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 80. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 80 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 42. Southwest wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.

    Low: 42 °F

    Showers

  • Thursday

    Thursday: A 40 percent chance of showers before 2pm. Partly sunny, with a high near 54.

    High: 54 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 54. Southwest wind around 5 mph.
Monday
Patchy fog between 8am and 10am. Otherwise, mostly sunny, with a high near 75. Southwest wind 5 to 10 mph.
Monday Night
Showers and thunderstorms likely, mainly before 4am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 60. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers and thunderstorms likely before 8am, then a chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 76. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.
Tuesday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64. South wind 5 to 10 mph.
Wednesday
A 30 percent chance of showers after 2pm. Mostly cloudy, with a high near 80. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 42. Southwest wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%.
Thursday
A 40 percent chance of showers before 2pm. Partly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 66.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 50.
Sunday
A 20 percent chance of showers. Sunny, with a high near 76. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greenback TN
 35.71°N 84.19°W (Elev. 1010 ft)
Last Update:
3:11 am EDT Mar 9, 2026
Forecast Valid:
5am EDT Mar 9, 2026-6pm EDT Mar 15, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation