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.

Mostly Cloudy

65°F

18°C

Humidity 73%
Wind Speed SW 14 mph
Barometer 30.14 in (1020.2 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Last update 9 Mar 11:53 am EDT
Extended Forecast for

4 Miles S Maryville TN

  • This Afternoon

    This Afternoon: Sunny, with a high near 75. Southwest wind 5 to 10 mph.

    High: 75 °F

    Sunny

  • Tonight

    Tonight: A chance of showers, with thunderstorms also possible after 2am. Partly cloudy, with a low around 60. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 77 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 64 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 80. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 80 °F

    Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 43. Southwest wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%.

    Low: 43 °F

    Showers

  • Thursday

    Thursday: A 40 percent chance of showers before 2pm. Partly sunny, with a high near 53. North wind around 15 mph, with gusts as high as 20 mph.

    High: 53 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65. Breezy.

    High: 65 °F

    Sunny then
    Sunny and
    Breezy

Detailed Forecast

This Afternoon
Sunny, with a high near 75. Southwest wind 5 to 10 mph.
Tonight
A chance of showers, with thunderstorms also possible after 2am. Partly cloudy, with a low around 60. South wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm, mainly before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A 40 percent chance of showers, mainly after 2pm. Mostly cloudy, with a high near 80. Breezy, with a southwest wind 10 to 15 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then showers after 2am. Low around 43. Southwest wind around 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%.
Thursday
A 40 percent chance of showers before 2pm. Partly sunny, with a high near 53. North wind around 15 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 37.
Friday
Sunny, with a high near 65. Breezy.
Friday Night
Mostly clear, with a low around 44.
Saturday
Sunny, with a high near 71.
Saturday Night
Mostly clear, with a low around 51.
Sunday
A 20 percent chance of showers. Sunny, with a high near 76. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Maryville TN
 35.69°N 83.97°W (Elev. 1099 ft)
Last Update:
7:06 am EDT Mar 9, 2026
Forecast Valid:
12pm EDT Mar 9, 2026-6pm EDT Mar 15, 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