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.

Fair

20°F

-7°C

Humidity 55%
Wind Speed N 3 mph
Barometer 30.44 in (1031.7 mb)
Dewpoint 6°F (-14°C)
Visibility 10.00 mi
Last update 20 Jan 6:53 am EST
Extended Forecast for

Maryville TN

  • Today

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

    High: 37 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 21. Calm wind.

    Low: 21 °F

    Mostly Clear

  • Wednesday

    Wednesday: Increasing clouds, with a high near 53. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.

    High: 53 °F

    Increasing
    Clouds

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers. Cloudy, with a low around 36. Southwest wind 5 to 10 mph.

    Low: 36 °F

    Chance
    Showers

  • Thursday

    Thursday: A 30 percent chance of showers. Partly sunny, with a high near 51. Calm wind.

    High: 51 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 31. Calm wind becoming northeast around 5 mph.

    Low: 31 °F

    Chance
    Showers

  • Friday

    Friday: A chance of rain showers before 4pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 43. North wind around 5 mph. Chance of precipitation is 30%.

    High: 43 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of snow showers before 7pm, then a chance of snow, mainly after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.

    Low: 25 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Snow likely. Cloudy, with a high near 33. Chance of precipitation is 70%.

    High: 33 °F

    Snow Likely

Detailed Forecast

Today
Sunny, with a high near 37. Calm wind.
Tonight
Mostly clear, with a low around 21. Calm wind.
Wednesday
Increasing clouds, with a high near 53. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 20 mph.
Wednesday Night
A 50 percent chance of showers. Cloudy, with a low around 36. Southwest wind 5 to 10 mph.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 51. Calm wind.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 31. Calm wind becoming northeast around 5 mph.
Friday
A chance of rain showers before 4pm, then a chance of rain and snow showers. Mostly cloudy, with a high near 43. North wind around 5 mph. Chance of precipitation is 30%.
Friday Night
A chance of snow showers before 7pm, then a chance of snow, mainly after 1am. Mostly cloudy, with a low around 25. Chance of precipitation is 40%.
Saturday
Snow likely. Cloudy, with a high near 33. Chance of precipitation is 70%.
Saturday Night
Snow. The snow could be heavy at times. Low around 21. Chance of precipitation is 80%.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 33. Chance of precipitation is 40%.
Sunday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.76°N 83.96°W (Elev. 994 ft)
Last Update:
6:06 am EST Jan 20, 2026
Forecast Valid:
7am EST Jan 20, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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