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.

Overcast

81°F

27°C

Humidity 54%
Wind Speed S 12 G 23 mph
Barometer 29.95 in (1013.1 mb)
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 22 May 4:53 pm EDT
Extended Forecast for

4 Miles ESE Karns TN

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm. Cloudy, with a high near 79. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a chance of showers after 11pm. Low around 64. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 80. 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.

    High: 80 °F

    Showers

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%.

    Low: 63 °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 in the afternoon. 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 64. Calm wind. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Memorial Day

    Memorial Day: Showers, with thunderstorms also possible after 11am. High near 81. Calm wind. Chance of precipitation is 90%.

    High: 81 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Tuesday

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

    High: 80 °F

    Showers then
    T-storms

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Cloudy, with a high near 79. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 10pm, then a chance of showers and thunderstorms between 10pm and 11pm, then a chance of showers after 11pm. Low around 64. South wind around 5 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 80. 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.
Saturday Night
Showers and thunderstorms likely before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 63. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%.
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 in the afternoon. Chance of precipitation is 80%.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 64. Calm wind. Chance of precipitation is 80%.
Memorial Day
Showers, with thunderstorms also possible after 11am. High near 81. Calm wind. Chance of precipitation is 90%.
Monday Night
Showers and possibly a thunderstorm. Low around 64. Chance of precipitation is 80%.
Tuesday
Showers and possibly a thunderstorm. High near 80. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 64. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 82. Chance of precipitation is 90%.
Wednesday Night
Showers and thunderstorms. Low around 64. Chance of precipitation is 80%.
Thursday
Showers and thunderstorms. High near 82. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms. Low around 63. Chance of precipitation is 80%.
Friday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 81.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles ESE Karns TN
 35.94°N 84.05°W (Elev. 974 ft)
Last Update:
2:26 pm EDT May 22, 2026
Forecast Valid:
5pm EDT May 22, 2026-6pm EDT May 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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