Unsettled Weather in the Eastern U.S. through Memorial Day

Wet, stormy, and unsettled weather continues for much of the eastern half of the U.S. through Memorial Day. There is potential for scattered flash flooding across the Central Gulf Coast into North Georgia and across the Upper Ohio Valley. Severe storms capable of hail/wind may occur across the Middle Missouri Valley/Siouxland and across other parts of the central and southern Plains and Southeast. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

80°F

27°C

Humidity 67%
Wind Speed W 6 mph
Barometer 30.08 in (1017.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 24 May 12:53 pm EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

Flood Watch until May 25, 02:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until May 25, 02:00am

    NOW until 2:00am Mon

    Flood Watch

  • This Afternoon

    High: 81 °F

    T-storms

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 2am, then showers likely.  Low around 65. Southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers

  • Memorial Day

    Memorial Day: Showers, with thunderstorms also possible after 11am.  High near 80. Calm wind.  Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 80 °F

    Showers

  • Monday Night

    Monday Night: Showers and possibly a thunderstorm.  Low around 66. Northeast wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 90%.

    Low: 66 °F

    Showers

  • Tuesday

    Tuesday: Showers, with thunderstorms also possible after 11am.  High near 82. Calm wind becoming southwest around 5 mph in the afternoon.  Chance of precipitation is 100%.

    High: 82 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm.  Low around 66. South wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%.

    Low: 66 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am.  High near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.  Chance of precipitation is 90%.

    High: 82 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am.  Low around 65. Chance of precipitation is 80%.

    Low: 65 °F

    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 81. Southwest wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Memorial Day
Showers, with thunderstorms also possible after 11am. High near 80. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
Showers and possibly a thunderstorm. Low around 66. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 90%.
Tuesday
Showers, with thunderstorms also possible after 11am. High near 82. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 100%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 66. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.
Wednesday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 82. Light and variable wind becoming southwest 5 to 10 mph in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 65. Chance of precipitation is 80%.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 62. Chance of precipitation is 80%.
Saturday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 79. 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)
1:01 pm EDT May 24, 2026
1pm EDT May 24, 2026-6pm EDT May 30, 2026
 
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Additional Resources

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