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

29°F

-2°C

Humidity 56%
Wind Speed SW 8 mph
Barometer 30.05 in (1018.5 mb)
Dewpoint 15°F (-9°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 18 Jan 8:53 pm EST
Extended Forecast for

Alcoa TN

  • Tonight

    Tonight: Mostly clear, with a low around 23. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 39. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 39 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 14. Northwest wind around 5 mph becoming calm in the evening.

    Low: 14 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 37. Calm wind.

    High: 37 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 20. Calm wind.

    Low: 20 °F

    Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 50. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 50 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 32. Southwest wind around 5 mph.

    Low: 32 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 45.

    High: 45 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 23. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
M.L.King Day
Sunny, with a high near 39. West wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 14. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 37. Calm wind.
Tuesday Night
Clear, with a low around 20. Calm wind.
Wednesday
Mostly sunny, with a high near 50. Light south wind becoming southwest 5 to 10 mph in the morning.
Wednesday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 32. Southwest wind around 5 mph.
Thursday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 22.
Friday
Mostly sunny, with a high near 48.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 30%.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 46. Chance of precipitation is 40%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 50%.
Sunday
A chance of rain and snow. Partly sunny, with a high near 40. Chance of precipitation is 40%.
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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 Jan 18, 2026
Forecast Valid:
8pm EST Jan 18, 2026-6pm EST Jan 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation