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

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

66°F

19°C

Humidity 70%
Wind Speed SW 5 mph
Barometer 30.16 in (1020.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 6 Mar 11:53 pm EST
Extended Forecast for

4 Miles NNE Greenback TN

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 62. South wind around 5 mph.

    Low: 62 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 80. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Saturday Night

    Saturday Night: Showers and possibly a thunderstorm. Low around 59. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers

  • Sunday

    Sunday: Showers likely and possibly a thunderstorm. Cloudy, with a high near 70. Southwest wind around 5 mph. Chance of precipitation is 70%.

    High: 70 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.

    Low: 55 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 76 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 59. South wind around 5 mph. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 62. South wind around 5 mph.
Saturday
A slight chance of showers between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 80. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 30%.
Saturday Night
Showers and possibly a thunderstorm. Low around 59. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 70. Southwest wind around 5 mph. Chance of precipitation is 70%.
Sunday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 1am. Mostly cloudy, with a low around 55. Southwest wind around 5 mph becoming calm. Chance of precipitation is 20%.
Monday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 76. Light southwest wind increasing to 5 to 10 mph in the morning.
Monday Night
A chance of showers, with thunderstorms also possible after 1am. Mostly cloudy, with a low around 59. South wind around 5 mph. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Wednesday
A 50 percent chance of showers. Cloudy, with a high near 78. Breezy.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 50. Chance of precipitation is 70%.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 61.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 43.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 63.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNE Greenback TN
 35.7°N 84.13°W (Elev. 1096 ft)
Last Update:
6:06 pm EST Mar 6, 2026
Forecast Valid:
11pm EST Mar 6, 2026-6pm EDT Mar 13, 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