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

62°F

17°C

Humidity 78%
Wind Speed Calm
Barometer 30.13 in (1019.4 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 7 Mar 4:53 am EST
Extended Forecast for

Maryville TN

  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 80. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 80 °F

    Mostly Sunny
    then Chance
    T-storms and
    Breezy

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 60. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers

  • Sunday

    Sunday: Showers likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Mostly cloudy, with a high near 71. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Slight Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the morning.

    High: 76 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind around 5 mph. Chance of precipitation is 70%.

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, mainly after 1pm. Mostly cloudy, with a high near 81. Breezy. Chance of precipitation is 60%.

    High: 81 °F

    Breezy.
    Slight Chance
    Showers then
    Showers
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 80. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
Showers and possibly a thunderstorm. Low around 60. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Mostly cloudy, with a high near 71. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 56. Calm wind.
Monday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 76. Light south wind becoming southwest 5 to 10 mph in the morning.
Monday Night
A chance of showers, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 59. South wind around 5 mph. Chance of precipitation is 70%.
Tuesday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 77. Southwest wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 64.
Wednesday
Showers likely, mainly after 1pm. Mostly cloudy, with a high near 81. Breezy. Chance of precipitation is 60%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 44. Breezy. Chance of precipitation is 80%.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 56. Breezy.
Thursday Night
Mostly clear, with a low around 37.
Friday
Partly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maryville TN
 35.74°N 83.96°W (Elev. 1010 ft)
Last Update:
1:26 am EST Mar 7, 2026
Forecast Valid:
5am EST Mar 7, 2026-6pm EDT Mar 13, 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