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Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

82°F

28°C

Humidity 74%
Wind Speed SW 8 mph
Barometer 29.97 in (1013.6 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 12 Jun 8:53 pm EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming west around 5 mph.

    High: 89 °F

    Becoming
    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between 2am and 5am. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm. Chance of precipitation is 40%.

    Low: 71 °F

    Partly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 11am. High near 86. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.

    High: 86 °F

    Showers
    Likely then
    T-storms

  • Sunday Night

    Sunday Night: Showers and possibly a thunderstorm. Low around 66. West wind 5 to 10 mph. Chance of precipitation is 80%.

    Low: 66 °F

    T-storms then
    Showers

  • Monday

    Monday: A 10 percent chance of showers before 8am. Partly sunny, with a high near 80. North wind around 5 mph becoming west in the afternoon.

    High: 80 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 61. West wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Tuesday

    Tuesday: A 10 percent chance of showers before 8am. Partly sunny, with a high near 80.

    High: 80 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 61.

    Low: 61 °F

    Partly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 89. Calm wind becoming west around 5 mph.
Saturday Night
A chance of showers and thunderstorms between 2am and 5am. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm. Chance of precipitation is 40%.
Sunday
Showers likely, then showers and possibly a thunderstorm after 11am. High near 86. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%.
Sunday Night
Showers and possibly a thunderstorm. Low around 66. West wind 5 to 10 mph. Chance of precipitation is 80%.
Monday
A 10 percent chance of showers before 8am. Partly sunny, with a high near 80. North wind around 5 mph becoming west in the afternoon.
Monday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 61. West wind around 5 mph becoming calm.
Tuesday
A 10 percent chance of showers before 8am. Partly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 61.
Wednesday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 83.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Thursday
Showers and thunderstorms likely. Partly sunny, with a high near 86. Breezy. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 70. Chance of precipitation is 70%.
Juneteenth
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
Last Update:
7:06 pm EDT Jun 12, 2026
Forecast Valid:
9pm EDT Jun 12, 2026-6pm EDT Jun 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation