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

90°F

32°C

Humidity 52%
Wind Speed SW 16 mph
Barometer 29.95 in (1012.8 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index96°F (36°C)
Last update 12 Jun 3:53 pm EDT
Extended Forecast for

4 Miles SSE Karns TN

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 92. Heat index values as high as 101. West wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 92 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely then
    Chance
    Showers

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 89. Calm wind.

    High: 89 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 2am and 5am. Partly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 86. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.

    High: 86 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 65. Northwest wind around 5 mph. Chance of precipitation is 80%.

    Low: 65 °F

    T-storms then
    Showers
    Likely

  • Monday

    Monday: Partly sunny, with a high near 80. North wind around 5 mph becoming calm in the morning.

    High: 80 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 10 percent chance of showers before 8am. Partly sunny, with a high near 81.

    High: 81 °F

    Slight Chance
    Showers then
    Partly Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly cloudy and hot, with a high near 92. Heat index values as high as 101. West wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 89. Calm wind.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 2am and 5am. Partly cloudy, with a low around 70. Calm wind.
Sunday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 86. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 100%.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 65. Northwest wind around 5 mph. Chance of precipitation is 80%.
Monday
Partly sunny, with a high near 80. North wind around 5 mph becoming calm in the morning.
Monday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 60.
Tuesday
A 10 percent chance of showers before 8am. Partly sunny, with a high near 81.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 83.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 86. Breezy. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 69. Chance of precipitation is 70%.
Juneteenth
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Karns TN
 35.92°N 84.08°W (Elev. 951 ft)
Last Update:
2:26 pm EDT Jun 12, 2026
Forecast Valid:
4pm EDT Jun 12, 2026-6pm EDT Jun 19, 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