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.

Fair

33°F

1°C

Humidity 35%
Wind Speed W 14 mph
Barometer 30.10 in (1019.8 mb)
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 18 Jan 11:53 am EST
Extended Forecast for

Alcoa TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 36. West wind 5 to 10 mph.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 24. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 38. West wind around 10 mph, with gusts as high as 20 mph.

    High: 38 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 13. West wind around 5 mph becoming calm in the evening.

    Low: 13 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 36. Calm wind becoming west around 5 mph.

    High: 36 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 48. South wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.

    High: 48 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of rain showers after 1am, mixing with snow after 5am. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.

    Low: 30 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Thursday

    Thursday: A 10 percent chance of snow showers before 7am. Mostly sunny, with a high near 46.

    High: 46 °F

    Slight Chance
    Snow Showers
    then Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 36. West wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 24. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
M.L.King Day
Sunny, with a high near 38. West wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 13. West wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 36. Calm wind becoming west around 5 mph.
Tuesday Night
Mostly clear, with a low around 19. Calm wind.
Wednesday
Mostly sunny, with a high near 48. South wind 5 to 10 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
A slight chance of rain showers after 1am, mixing with snow after 5am. Mostly cloudy, with a low around 30. Chance of precipitation is 20%.
Thursday
A 10 percent chance of snow showers before 7am. Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 24.
Friday
Mostly sunny, with a high near 53.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 36.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.96°W (Elev. 856 ft)
Last Update:
12:06 pm EST Jan 18, 2026
Forecast Valid:
12pm EST Jan 18, 2026-6pm EST Jan 24, 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