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

40°F

4°C

Humidity 60%
Wind Speed NW 3 mph
Barometer 30.06 in (1018.6 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Last update 3 Feb 3:53 pm EST
Extended Forecast for

Alcoa TN

  • This Afternoon

    This Afternoon: Showers likely. Cloudy, with a steady temperature around 42. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 42 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers, mainly before 10pm. Steady temperature around 43. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers then
    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers, mainly after 7am. Cloudy, with a high near 44. West wind around 5 mph becoming north in the morning.

    High: 44 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of rain and snow showers before 9pm, then a slight chance of flurries between 9pm and 11pm. Cloudy, with a low around 23. North wind around 5 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 39. North wind around 5 mph becoming calm in the morning.

    High: 39 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. Calm wind becoming southwest around 5 mph after midnight.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Showers likely. Cloudy, with a steady temperature around 42. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Showers, mainly before 10pm. Steady temperature around 43. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 30 percent chance of showers, mainly after 7am. Cloudy, with a high near 44. West wind around 5 mph becoming north in the morning.
Wednesday Night
A chance of rain and snow showers before 9pm, then a slight chance of flurries between 9pm and 11pm. Cloudy, with a low around 23. North wind around 5 mph. Chance of precipitation is 30%.
Thursday
Mostly sunny, with a high near 39. North wind around 5 mph becoming calm in the morning.
Thursday Night
Partly cloudy, with a low around 24. Calm wind becoming southwest around 5 mph after midnight.
Friday
Mostly sunny, with a high near 52. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
Mostly cloudy, with a low around 29.
Saturday
Mostly sunny, with a high near 44.
Saturday Night
Mostly clear, with a low around 27.
Sunday
Partly sunny, with a high near 52.
Sunday Night
Mostly cloudy, with a low around 32.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 35.
Tuesday
Partly sunny, with a high near 59.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.8°N 83.96°W (Elev. 856 ft)
Last Update:
3:51 pm EST Feb 3, 2026
Forecast Valid:
4pm EST Feb 3, 2026-6pm EST Feb 10, 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