Current conditions at
Knoxville, McGhee Tyson Airport (KTYS)
Lat: 35.82°NLon: 83.99°WElev: 981ft.
Partly Cloudy
92°F
33°C
| Humidity | 38% |
| Wind Speed | S 8 mph |
| Barometer | 29.99 in (1014.2 mb) |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 93°F (34°C) |
| Last update | 10 Sep 4:53 pm EDT |
Extended Forecast for
Alcoa TN
Tonight
Low: 70 °F
Partly Cloudy
Friday
High: 94 °F
Hot
Friday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
ShowersSaturday
High: 90 °F
Showers
Saturday Night
Low: 70 °F
Showers then
Chance
ShowersSunday
High: 91 °F
Chance
Showers then
Chance
T-stormsSunday Night
Low: 68 °F
Chance
T-storms then
Mostly ClearMonday
High: 91 °F
Hot
Monday Night
Low: 68 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny and hot, with a high near 94. Heat index values as high as 100. Calm wind becoming west around 5 mph.
Friday Night
A 10 percent chance of showers after 5am. Partly cloudy, with a low around 72. Northeast wind around 5 mph becoming calm.
Saturday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 90. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Saturday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 70. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%.
Sunday
A chance of showers, with thunderstorms also possible after 2pm. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 30%.
Sunday Night
A chance of thunderstorms before 8pm. Mostly clear, with a low around 68. Calm wind. Chance of precipitation is 30%.
Monday
Sunny and hot, with a high near 91.
Monday Night
Mostly clear, with a low around 68.
Tuesday
Sunny and hot, with a high near 93.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.
Wednesday Night
A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.
Thursday
A 40 percent chance of showers and thunderstorms. Sunny and hot, with a high near 92.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Alcoa TN
35.78°N 83.99°W (Elev. 869 ft)
35.78°N 83.99°W (Elev. 869 ft)
2:26 pm EDT Sep 10, 2026
5pm EDT Sep 10, 2026-6pm EDT Sep 17, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
