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

43°F

6°C

Humidity 38%
Wind Speed NE 12 mph
Barometer 30.31 in (1026.6 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 23 Jan 11:53 am EST
Extended Forecast for

Alcoa TN

Winter Weather Advisory January 24, 01:00pm until January 25, 07:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 47. North wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 47 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 24. Northeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 24 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of snow before 3pm, then snow and sleet likely between 3pm and 5pm, then rain and sleet, possibly mixed with snow after 5pm. High near 37. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.

    High: 37 °F

    Slight Chance
    Snow then
    Wintry Mix

  • Saturday Night

    Saturday Night: Rain, snow, freezing rain, and sleet before 2am, then rain, possibly mixed with snow between 2am and 3am, then rain after 3am. Low around 30. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.

    Low: 30 °F

    Wintry Mix

  • Sunday

    Sunday: Rain. High near 48. Northeast wind 5 to 10 mph becoming southwest in the morning. Chance of precipitation is 100%.

    High: 48 °F

    Rain

  • Sunday Night

    Sunday Night: A chance of rain before 11pm, then a chance of rain and snow between 11pm and 1am, then a slight chance of snow after 1am. Cloudy, with a low around 17. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.

    Low: 17 °F

    Chance
    Rain/Snow

  • Monday

    Monday: Partly sunny, with a high near 27. West wind around 10 mph, with gusts as high as 20 mph.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 3.

    Low: 3 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 47. North wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly cloudy, with a low around 24. Northeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A chance of snow before 3pm, then snow and sleet likely between 3pm and 5pm, then rain and sleet, possibly mixed with snow after 5pm. High near 37. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New snow and sleet accumulation of less than a half inch possible.
Saturday Night
Rain, snow, freezing rain, and sleet before 2am, then rain, possibly mixed with snow between 2am and 3am, then rain after 3am. Low around 30. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 100%. New ice accumulation of less than a 0.1 of an inch possible. New snow and sleet accumulation of less than a half inch possible.
Sunday
Rain. High near 48. Northeast wind 5 to 10 mph becoming southwest in the morning. Chance of precipitation is 100%.
Sunday Night
A chance of rain before 11pm, then a chance of rain and snow between 11pm and 1am, then a slight chance of snow after 1am. Cloudy, with a low around 17. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 50%.
Monday
Partly sunny, with a high near 27. West wind around 10 mph, with gusts as high as 20 mph.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
Partly sunny, with a high near 36.
Wednesday Night
Mostly cloudy, with a low around 15.
Thursday
Partly sunny, with a high near 28.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Alcoa TN
 35.78°N 83.96°W (Elev. 899 ft)
Last Update:
12:06 pm EST Jan 23, 2026
Forecast Valid:
12pm EST Jan 23, 2026-6pm EST Jan 29, 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