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.

Mostly Cloudy

79°F

26°C

Humidity 79%
Wind Speed Calm
Barometer 29.94 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 22 May 7:15 pm EDT
Extended Forecast for

4 Miles SSW Mascot TN

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 63. South wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 63 °F

    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 80. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Showers
    Likely

  • 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 83. Calm wind becoming southwest around 5 mph. Chance of precipitation is 80%.

    High: 83 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 63. Calm wind. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Memorial Day

    Memorial Day: Showers, with thunderstorms also possible after 11am. High near 80. Calm wind. Chance of precipitation is 90%.

    High: 80 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 63. Calm wind. Chance of precipitation is 80%.

    Low: 63 °F

    Showers

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 100%.

    High: 80 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 4am, then a chance of showers. Low around 63. South wind around 5 mph becoming calm. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 80. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 62. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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 83. Calm wind becoming southwest around 5 mph. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 63. Calm wind. Chance of precipitation is 80%.
Memorial Day
Showers, with thunderstorms also possible after 11am. High near 80. Calm wind. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 63. Calm wind. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 100%.
Tuesday Night
Showers likely and possibly a thunderstorm before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 8am. High near 82. Chance of precipitation is 90%.
Wednesday Night
Showers and thunderstorms. Low around 63. Chance of precipitation is 80%.
Thursday
Showers and thunderstorms. High near 82. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms. Low around 62. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Mascot TN
 36.02°N 83.8°W (Elev. 932 ft)
Last Update:
7:06 pm EDT May 22, 2026
Forecast Valid:
7pm EDT May 22, 2026-6pm EDT May 29, 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