Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

78°F

26°C

Humidity 74%
Wind Speed SW 7 mph
Barometer 29.97 in (1013.4 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Sep 12:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Overnight

    Overnight: A 10 percent chance of showers after 5am.  Mostly cloudy, with a low around 71. Southwest wind around 5 mph.

    Low: 71 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 2pm.  Mostly cloudy, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 85 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 3am.  Mostly cloudy, with a low around 70. Southwest wind around 5 mph.  Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers before 2pm.  Mostly sunny, with a high near 89. Southwest wind around 5 mph becoming calm  in the morning.

    High: 89 °F

    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. East wind around 5 mph becoming calm  in the evening.

    Low: 69 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 90. Northeast wind 5 to 10 mph.

    High: 90 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Northeast wind around 5 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 92.

    High: 92 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Mostly cloudy, with a low around 71. Southwest wind around 5 mph.
Saturday
Showers and thunderstorms likely, mainly before 1pm, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 3am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Sunday
A 20 percent chance of showers before 2pm. Mostly sunny, with a high near 89. Southwest wind around 5 mph becoming calm in the morning.
Sunday Night
Mostly clear, with a low around 69. East wind around 5 mph becoming calm in the evening.
Monday
Sunny and hot, with a high near 90. Northeast wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 66. Northeast wind around 5 mph.
Tuesday
Sunny and hot, with a high near 92.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny and hot, with a high near 92.
Wednesday Night
Mostly clear, with a low around 68.
Thursday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.
Thursday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
1:06 am EDT Sep 12, 2026
1am EDT Sep 12, 2026-6pm EDT Sep 18, 2026
 
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