Severe Thunderstorms and Flooding from the Southern Plains to the Great Lakes; Record Heat in the East

Widely scattered severe thunderstorms may produce damaging winds, hail, and flash flooding from the southern Plains into the lower Great Lakes. Elevated to locally critical fire weather conditions will persist across portions of the Southwest and Southern High Plains due to gusty winds and dry conditions. An early-season heatwave will challenge temperature records across the eastern U.S.. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

84°F

29°C

Humidity	46%
Wind Speed	W 14 mph
Barometer	30.23 in (1022.3 mb)
Dewpoint	61°F (16°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	19 May 11:53 am EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Knoxville, McGhee Tyson Airport TN

This Afternoon
High: 90 °F
Hot
Tonight
Low: 67 °F
Partly Cloudy
Wednesday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 66 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 86 °F
Chance
Showers then
Showers
Thursday Night
Low: 66 °F
Showers
Friday
High: 85 °F
Showers
Friday Night
Low: 66 °F
Showers
Saturday
High: 83 °F
Showers

Detailed Forecast

This Afternoon

Mostly sunny and hot, with a high near 90. Southwest wind around 10 mph.

Tonight

Partly cloudy, with a low around 67. Southwest wind 5 to 10 mph.

Wednesday

A chance of showers and thunderstorms between 1pm and 5pm. Partly sunny, with a high near 89. Light and variable wind becoming west 5 to 10 mph in the morning. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 66. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Thursday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 90%.

Thursday Night

Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 66. East wind around 5 mph becoming calm after midnight. Chance of precipitation is 80%.

Friday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 85. Light and variable wind becoming south 10 to 15 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

Friday Night

Showers and possibly a thunderstorm before 2am, then showers likely. Low around 66. Chance of precipitation is 80%.

Saturday

Showers likely, then showers and possibly a thunderstorm after 8am. High near 83. Chance of precipitation is 80%.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Chance of precipitation is 50%.

Sunday

Showers and thunderstorms. High near 84. Chance of precipitation is 80%.

Sunday Night

Showers and thunderstorms. Low around 65. Chance of precipitation is 80%.

Memorial Day

Showers and possibly a thunderstorm. High near 84. Chance of precipitation is 80%.