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.

Fair

77°F

25°C

Humidity 85%
Wind Speed NE 3 mph
Barometer 30.09 in (1017.7 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 2 Sep 12:53 am EDT
Extended Forecast for

4 Miles SE Lenoir City TN

Heat Advisory September 2, 01:00pm until September 2, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Overnight

    Overnight: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 95. Heat index values as high as 102. Calm wind.

    High: 95 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 96. Heat index values as high as 105. Calm wind.

    High: 96 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 96. Calm wind.

    High: 96 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 74. Calm wind.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 102. Calm wind.
Wednesday Night
Mostly clear, with a low around 75. Calm wind.
Thursday
Sunny and hot, with a high near 96. Heat index values as high as 105. Calm wind.
Thursday Night
Mostly clear, with a low around 76. Calm wind.
Friday
Sunny and hot, with a high near 96. Calm wind.
Friday Night
Mostly clear, with a low around 74. Calm wind.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95.
Saturday Night
A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92.
Sunday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Labor Day
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Tuesday
A 20 percent chance of showers. Mostly sunny and hot, with a high near 90.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Lenoir City TN
 35.77°N 84.21°W (Elev. 814 ft)
Last Update:
1:06 am EDT Sep 2, 2026
Forecast Valid:
1am EDT Sep 2, 2026-6pm EDT Sep 8, 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