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.

Partly Cloudy

89°F

32°C

Humidity 50%
Wind Speed Calm
Barometer 30.28 in (1024.1 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index93°F (34°C)
Last update 17 Sep 1:53 pm EDT
Extended Forecast for

5 Miles SW Seymour TN

  • This Afternoon

    This Afternoon: Sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind.

    High: 93 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind becoming north around 5 mph.

    High: 94 °F

    Hot

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 9pm. Increasing clouds, with a low around 71. Northeast wind around 5 mph becoming calm.

    Low: 71 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 93. Calm wind.

    High: 93 °F

    Patchy Fog
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 69 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.

    High: 92 °F

    Mostly Sunny
    then Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind.
Tonight
Mostly clear, with a low around 71. Calm wind.
Friday
Sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind becoming north around 5 mph.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 9pm. Increasing clouds, with a low around 71. Northeast wind around 5 mph becoming calm.
Saturday
A 30 percent chance of showers and thunderstorms after 2pm. Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 93. Calm wind.
Saturday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. South wind around 5 mph becoming calm. Chance of precipitation is 30%.
Sunday
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69.
Monday
A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.
Monday Night
A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 68.
Tuesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
Tuesday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 66. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly sunny, with a high near 85. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Seymour TN
 35.84°N 83.84°W (Elev. 932 ft)
Last Update:
2:26 pm EDT Sep 17, 2026
Forecast Valid:
2pm EDT Sep 17, 2026-6pm EDT Sep 23, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation