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.

Mostly Cloudy

83°F

28°C

Humidity 40%
Wind Speed SW 16 G 26 mph
Barometer 29.87 in (1010.5 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 18 Apr 4:53 pm EDT
Extended Forecast for

4 Miles N Greenback TN

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers likely. Low around 46. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 46 °F

    Showers

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 64. North wind around 10 mph, with gusts as high as 20 mph.

    High: 64 °F

    Becoming
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68. Southwest wind 5 to 10 mph becoming northwest in the afternoon.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 42. North wind around 5 mph becoming calm in the evening.

    Low: 42 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.

    High: 75 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 50. South wind around 5 mph.

    Low: 50 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms before 2am, then showers likely. Low around 46. Southwest wind 10 to 15 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 64. North wind around 10 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 42. Northwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 68. Southwest wind 5 to 10 mph becoming northwest in the afternoon.
Monday Night
Clear, with a low around 42. North wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 75. Calm wind becoming west around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 50. South wind around 5 mph.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Mostly clear, with a low around 54.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 83.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 77. Chance of precipitation is 60%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Greenback TN
 35.71°N 84.19°W (Elev. 1010 ft)
Last Update:
2:26 pm EDT Apr 18, 2026
Forecast Valid:
5pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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