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.

Partly Cloudy

35°F

2°C

Humidity 46%
Wind Speed Vrbl 3 mph
Barometer 30.37 in (1029.1 mb)
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Last update 21 Jan 10:53 am EST
Extended Forecast for

Maryville TN

  • Today

    Today: A 20 percent chance of showers after 4pm. Increasing clouds, with a high near 54. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 54 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 50 percent chance of showers, mainly before 1am. Cloudy, with a low around 38. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Chance
    Showers

  • Thursday

    Thursday: A 20 percent chance of showers after 1pm. Partly sunny, with a high near 53. Calm wind.

    High: 53 °F

    Partly Sunny
    then Slight
    Chance
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers, mainly after 1am. Increasing clouds, with a low around 34. Calm wind becoming northeast around 5 mph.

    Low: 34 °F

    Chance
    Showers

  • Friday

    Friday: A chance of rain and snow showers before 4pm, then a chance of snow showers. Cloudy, with a high near 42. North wind 5 to 10 mph. Chance of precipitation is 30%.

    High: 42 °F

    Chance
    Showers then
    Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 40 percent chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 22. North wind around 10 mph.

    Low: 22 °F

    Chance Snow
    Showers

  • Saturday

    Saturday: Snow showers before 4pm, then snow showers, possibly mixed with freezing rain. The snow could be heavy at times. High near 31. Northeast wind 5 to 10 mph. Chance of precipitation is 90%.

    High: 31 °F

    Snow Showers
    Likely then
    Wintry Mix

  • Saturday Night

    Saturday Night: Snow showers and freezing rain, becoming all snow after 1am. The snow could be heavy at times. Low around 25. Chance of precipitation is 100%.

    Low: 25 °F

    Wintry Mix

  • Sunday

    Sunday: Snow showers likely before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of snow showers after 4pm. The snow could be heavy at times. Cloudy, with a high near 35. Chance of precipitation is 70%.

    High: 35 °F

    Heavy Snow
    then
    Rain/Snow
    Likely

Detailed Forecast

Today
A 20 percent chance of showers after 4pm. Increasing clouds, with a high near 54. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
A 50 percent chance of showers, mainly before 1am. Cloudy, with a low around 38. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
A 20 percent chance of showers after 1pm. Partly sunny, with a high near 53. Calm wind.
Thursday Night
A 30 percent chance of showers, mainly after 1am. Increasing clouds, with a low around 34. Calm wind becoming northeast around 5 mph.
Friday
A chance of rain and snow showers before 4pm, then a chance of snow showers. Cloudy, with a high near 42. North wind 5 to 10 mph. Chance of precipitation is 30%.
Friday Night
A 40 percent chance of snow showers, mainly after 1am. Mostly cloudy, with a low around 22. North wind around 10 mph.
Saturday
Snow showers before 4pm, then snow showers, possibly mixed with freezing rain. The snow could be heavy at times. High near 31. Northeast wind 5 to 10 mph. Chance of precipitation is 90%.
Saturday Night
Snow showers and freezing rain, becoming all snow after 1am. The snow could be heavy at times. Low around 25. Chance of precipitation is 100%.
Sunday
Snow showers likely before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of snow showers after 4pm. The snow could be heavy at times. Cloudy, with a high near 35. Chance of precipitation is 70%.
Sunday Night
A 30 percent chance of snow showers before 1am. Mostly cloudy, with a low around 14.
Monday
Partly sunny, with a high near 29.
Monday Night
Partly cloudy, with a low around 5.
Tuesday
Sunny, with a high near 34.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.76°N 83.96°W (Elev. 994 ft)
Last Update:
6:06 am EST Jan 21, 2026
Forecast Valid:
11am EST Jan 21, 2026-6pm EST Jan 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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