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

3 Miles NNE Tallassee TN

  • Overnight

    Overnight: Mostly clear, with a low around 72. Southeast wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind becoming north around 5 mph.

    High: 91 °F

    Hot

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Calm wind becoming southeast around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 92. Heat index values as high as 98. Southeast wind around 5 mph becoming calm.

    High: 92 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 72. Southeast wind around 5 mph.

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 91. Calm wind.

    High: 91 °F

    Hot

  • Friday Night

    Friday Night: Partly cloudy, with a low around 72. Calm wind.

    Low: 72 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 72. Southeast wind around 5 mph.
Wednesday
Sunny and hot, with a high near 91. Heat index values as high as 97. Calm wind becoming north around 5 mph.
Wednesday Night
Mostly clear, with a low around 73. Calm wind becoming southeast around 5 mph.
Thursday
Sunny and hot, with a high near 92. Heat index values as high as 98. Southeast wind around 5 mph becoming calm.
Thursday Night
Mostly clear, with a low around 72. Southeast wind around 5 mph.
Friday
Sunny and hot, with a high near 91. Calm wind.
Friday Night
Partly cloudy, with a low around 72. Calm wind.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.
Sunday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 88.
Sunday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Labor Day
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 85.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Tallassee TN
 35.6°N 83.92°W (Elev. 1942 ft)
Last Update:
12:36 am EDT Sep 2, 2026
Forecast Valid:
12am 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