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Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

57°F

14°C

Humidity 78%
Wind Speed Calm
Barometer 29.95 in (1013.3 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 24 Apr 3:53 am EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • Today

    Today: Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon.

    High: 83 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 73. Southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 73 °F

    Showers

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54. North wind around 5 mph becoming calm.

    Low: 54 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 79 °F

    Patchy Fog
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 54. East wind around 5 mph.

    Low: 54 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 81 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Chance
    Showers then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 83. Light and variable wind becoming west 5 to 10 mph in the afternoon.
Tonight
A 30 percent chance of showers, mainly after 5am. Increasing clouds, with a low around 60. Southwest wind around 5 mph becoming calm in the evening.
Saturday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 73. Southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 20 percent chance of showers before 2am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 54. North wind around 5 mph becoming calm.
Sunday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 79. Calm wind becoming northeast around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 54. East wind around 5 mph.
Monday
Mostly sunny, with a high near 81. Calm wind becoming southwest around 5 mph in the afternoon.
Monday Night
A chance of showers, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Tuesday
Showers likely and possibly a thunderstorm before 2pm, then a slight chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 59.
Wednesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.81°N 84.01°W (Elev. 899 ft)
Last Update:
2:26 am EDT Apr 24, 2026
Forecast Valid:
4am EDT Apr 24, 2026-6pm EDT Apr 30, 2026
 
Forecast Discussion
 
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Additional Resources

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