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.

A Few Clouds

70°F

21°C

Humidity 84%
Wind Speed Calm
Barometer 30.12 in (1018.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 10 Sep 7:53 am EDT
Extended Forecast for

4 Miles N Tallassee TN

  • Today

    Today: Mostly sunny and hot, with a high near 90. Heat index values as high as 95. West wind around 5 mph.

    High: 90 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 70. Calm wind becoming south around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming west around 5 mph.

    High: 91 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%.

    High: 86 °F

    Showers
    Likely then
    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 11pm, then a chance of showers. Low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 80%.

    Low: 69 °F

    Showers then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of thunderstorms before 8pm. Mostly clear, with a low around 68. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    T-storms then
    Mostly Clear

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.

    High: 89 °F

    Sunny then
    Slight Chance
    T-storms

Detailed Forecast

Today
Mostly sunny and hot, with a high near 90. Heat index values as high as 95. West wind around 5 mph.
Tonight
Partly cloudy, with a low around 70. Calm wind becoming south around 5 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Sunny and hot, with a high near 91. Heat index values as high as 98. Calm wind becoming west around 5 mph.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm. Chance of precipitation is 40%.
Saturday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 90%.
Saturday Night
Showers and thunderstorms before 11pm, then a chance of showers. Low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 80%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph. Chance of precipitation is 40%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 68. Chance of precipitation is 30%.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 89.
Monday Night
A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69.
Tuesday
A 30 percent chance of showers and thunderstorms. Sunny and hot, with a high near 90.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Wednesday
A 50 percent chance of showers and thunderstorms. Sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles N Tallassee TN
 35.62°N 83.92°W (Elev. 1270 ft)
Last Update:
7:06 am EDT Sep 10, 2026
Forecast Valid:
8am EDT Sep 10, 2026-6pm EDT Sep 16, 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