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

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

A Few Clouds

81°F

27°C

Humidity 74%
Wind Speed Vrbl 5 mph
Barometer 30.05 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 23 May 6:15 pm EDT
Extended Forecast for

2 Miles E Heiskell TN

  • Tonight

    Tonight: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening. 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, with thunderstorms also possible after 11am. Partly sunny, with a high near 81. Calm wind becoming southwest 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.

    High: 81 °F

    Chance
    Showers then
    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 63 °F

    Showers
    Likely

  • 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 likely and possibly a thunderstorm before 11pm, then showers likely between 11pm and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 70%.

    Low: 64 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 82. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%.

    High: 82 °F

    Showers
    Likely then
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Calm wind. Chance of precipitation is 80%.

    Low: 64 °F

    T-storms then
    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers and possibly a thunderstorm after 8am. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 63. Chance of precipitation is 80%.

    Low: 63 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

Tonight
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening. 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, with thunderstorms also possible after 11am. Partly sunny, with a high near 81. Calm wind becoming southwest 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.
Sunday Night
Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 63. Calm wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Memorial Day
Showers, with thunderstorms also possible after 11am. High near 80. Calm wind. Chance of precipitation is 90%.
Monday Night
Showers likely and possibly a thunderstorm before 11pm, then showers likely between 11pm and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 82. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Calm wind. Chance of precipitation is 80%.
Wednesday
A chance of showers, then showers and possibly a thunderstorm after 8am. High near 81. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 63. Chance of precipitation is 80%.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 82. Chance of precipitation is 80%.
Thursday Night
Showers and possibly a thunderstorm. Low around 63. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 59. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 77. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Heiskell TN
 36.12°N 84.01°W (Elev. 1066 ft)
Last Update:
2:25 pm EDT May 23, 2026
Forecast Valid:
6pm EDT May 23, 2026-6pm EDT May 30, 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