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.

A Few Clouds

35°F

2°C

Humidity 23%
Wind Speed Calm
Barometer 30.46 in (1032.1 mb)
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Last update 20 Jan 2:53 pm EST
Extended Forecast for

4 Miles SE Maryville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 36. Calm wind.

    High: 36 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 22. Calm wind.

    Low: 22 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 55. Northeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.

    High: 55 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers, mainly after 7pm. Mostly cloudy, with a low around 38. Southwest wind 5 to 10 mph.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers. Partly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 35. Calm wind becoming northeast around 5 mph.

    Low: 35 °F

    Chance
    Showers

  • Friday

    Friday: A 40 percent chance of showers. Mostly cloudy, with a high near 42. North wind 5 to 10 mph.

    High: 42 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Snow showers likely, mainly after 1am. Cloudy, with a low around 25. Chance of precipitation is 60%.

    Low: 25 °F

    Chance Snow
    Showers then
    Snow Showers
    Likely

  • Saturday

    Saturday: Snow showers before 2pm, then snow showers, possibly mixed with rain showers and freezing rain. The snow could be heavy at times. High near 33. Chance of precipitation is 90%.

    High: 33 °F

    Heavy Snow
    then Wintry
    Mix

Detailed Forecast

This Afternoon
Sunny, with a high near 36. Calm wind.
Tonight
Clear, with a low around 22. Calm wind.
Wednesday
Sunny, with a high near 55. Northeast wind 5 to 10 mph becoming southwest in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A 50 percent chance of showers, mainly after 7pm. Mostly cloudy, with a low around 38. Southwest wind 5 to 10 mph.
Thursday
A 20 percent chance of showers. Partly sunny, with a high near 53. Calm wind.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 35. Calm wind becoming northeast around 5 mph.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 42. North wind 5 to 10 mph.
Friday Night
Snow showers likely, mainly after 1am. Cloudy, with a low around 25. Chance of precipitation is 60%.
Saturday
Snow showers before 2pm, then snow showers, possibly mixed with rain showers and freezing rain. The snow could be heavy at times. High near 33. Chance of precipitation is 90%.
Saturday Night
Snow showers and freezing rain, becoming all snow after 4am. The snow could be heavy at times. Low around 25. Chance of precipitation is 90%.
Sunday
Rain and snow showers. The snow could be heavy at times. High near 32. Chance of precipitation is 80%.
Sunday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 31.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Maryville TN
 35.71°N 83.91°W (Elev. 968 ft)
Last Update:
12:56 pm EST Jan 20, 2026
Forecast Valid:
3pm EST Jan 20, 2026-6pm EST Jan 26, 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