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Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

79°F

26°C

Humidity 69%
Wind Speed SW 7 mph
Barometer 30.06 in (1016.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 27 Jun 1:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Overnight

    Overnight: Partly cloudy, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. High near 86. Southwest wind 10 to 15 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: 86 °F

    Chance
    T-storms then
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 71. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 71 °F

    T-storms then
    Showers

  • Sunday

    Sunday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 88. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.

    High: 88 °F

    Showers then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 94.

    High: 94 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 73. South wind around 5 mph.
Saturday
Showers and thunderstorms likely before 2pm, then showers and possibly a thunderstorm between 2pm and 4pm, then showers and thunderstorms likely after 4pm. High near 86. Southwest wind 10 to 15 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 before 2am, then showers and possibly a thunderstorm, mainly after 2am. Low around 71. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 88. Southwest wind 5 to 10 mph. Chance of precipitation is 80%.
Sunday Night
Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 20%.
Monday Night
Mostly clear, with a low around 73. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny and hot, with a high near 94.
Tuesday Night
Mostly clear, with a low around 74.
Wednesday
Sunny and hot, with a high near 94.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 94.
Thursday Night
Mostly clear, with a low around 75.
Friday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.
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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:
2:26 am EDT Jun 27, 2026
Forecast Valid:
2am EDT Jun 27, 2026-6pm EDT Jul 3, 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