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.

Mostly Cloudy

31°F

-1°C

Humidity 42%
Wind Speed NE 10 mph
Barometer 30.26 in (1025.4 mb)
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill22°F (-6°C)
Last update 8 Feb 10:53 pm EST
Extended Forecast for

Alcoa TN

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Calm wind.

    Low: 30 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 59. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 59 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Southwest wind around 5 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Partly sunny, with a high near 69. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 69 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Showers likely, mainly after 1am. Mostly cloudy, with a low around 46. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%.

    Low: 46 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: A 50 percent chance of showers. Mostly cloudy, with a high near 58. North wind around 5 mph.

    High: 58 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 34. Northeast wind around 5 mph.

    Low: 34 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 30. Calm wind.
Monday
Mostly sunny, with a high near 59. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 42. Southwest wind around 5 mph.
Tuesday
Partly sunny, with a high near 69. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Tuesday Night
Showers likely, mainly after 1am. Mostly cloudy, with a low around 46. Southwest wind 5 to 10 mph becoming northwest after midnight. Chance of precipitation is 60%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 58. North wind around 5 mph.
Wednesday Night
Partly cloudy, with a low around 34. Northeast wind around 5 mph.
Thursday
Partly sunny, with a high near 54.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 37.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 51.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 36.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 52.
Saturday Night
Showers likely. Cloudy, with a low around 39. Chance of precipitation is 60%.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.96°W (Elev. 856 ft)
Last Update:
6:06 pm EST Feb 8, 2026
Forecast Valid:
11pm EST Feb 8, 2026-6pm EST Feb 15, 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