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.

Overcast

28°F

-2°C

Humidity 56%
Wind Speed N 6 mph
Barometer 30.31 in (1027.1 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 24 Feb 12:53 am EST
Extended Forecast for

Alcoa TN

  • Overnight

    Overnight: Mostly cloudy, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47. Light south wind becoming southwest 5 to 10 mph in the afternoon.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Cloudy, with a low around 39. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 57. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 57 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Showers likely, mainly after 1am. Cloudy, with a low around 48. South wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 48 °F

    Showers
    Likely

  • Thursday

    Thursday: Showers. High near 62. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 62 °F

    Showers

  • Thursday Night

    Thursday Night: A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 43. Southwest wind around 5 mph becoming north after midnight.

    Low: 43 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 21. Calm wind.
Tuesday
Partly sunny, with a high near 47. Light south wind becoming southwest 5 to 10 mph in the afternoon.
Tuesday Night
Cloudy, with a low around 39. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
A 20 percent chance of showers after 1pm. Mostly cloudy, with a high near 57. Southwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday Night
Showers likely, mainly after 1am. Cloudy, with a low around 48. South wind 5 to 10 mph. Chance of precipitation is 70%.
Thursday
Showers. High near 62. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Thursday Night
A 50 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 43. Southwest wind around 5 mph becoming north after midnight.
Friday
Mostly sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 40.
Saturday
Sunny, with a high near 67.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Mostly sunny, with a high near 65.
Sunday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 42.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 64.
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:
1:25 am EST Feb 24, 2026
Forecast Valid:
1am EST Feb 24, 2026-6pm EST Mar 2, 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