National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Overcast

70°F

21°C

Humidity 100%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 70°F (21°C)
Visibility 8.00 mi
Last update 22 May 5:15 am EDT
Extended Forecast for

Knoxville TN

  • Overnight

    Overnight: A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 65. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms, mainly before 3pm, then showers and possibly a thunderstorm after 3pm. High near 78. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 78 °F

    Showers then
    T-storms

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 65. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Showers

  • Saturday

    Saturday: Showers, with thunderstorms also possible after 11am. High near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    High: 81 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 50%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 84. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.

    High: 84 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 65. Calm wind. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

  • Memorial Day

    Memorial Day: Showers, with thunderstorms also possible after 8am. High near 81. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers

Detailed Forecast

Overnight
A 50 percent chance of showers and thunderstorms. Cloudy, with a low around 65. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and thunderstorms, mainly before 3pm, then showers and possibly a thunderstorm after 3pm. High near 78. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 65. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Showers, with thunderstorms also possible after 11am. High near 81. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 50%.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 84. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm. Low around 65. Calm wind. Chance of precipitation is 80%.
Memorial Day
Showers, with thunderstorms also possible after 8am. High near 81. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 83. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 65. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 80%.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
Last Update:
2:26 am EDT May 22, 2026
Forecast Valid:
5am EDT May 22, 2026-6pm EDT May 28, 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