Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

75°F

24°C

Humidity	82%
Wind Speed	Calm
Barometer	30.09 in (1017.7 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	14 Jul 12:53 am EDT

More Information:

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

Extended Forecast for

Knoxville, McGhee Tyson Airport TN

Overnight
Low: 72 °F
Partly Cloudy
Monday
High: 92 °F
Slight Chance
Showers then
Chance
T-storms
Monday Night
Low: 73 °F
Chance
T-storms
Tuesday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 92 °F
Slight Chance
T-storms then
T-storms
Likely
Wednesday Night
Low: 74 °F
T-storms
Likely then
Chance
T-storms
Thursday
High: 91 °F
Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 74 °F
T-storms
Likely then
Chance
T-storms

Detailed Forecast

Overnight

Partly cloudy, with a low around 72. Calm wind.

Monday

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 95. Calm wind becoming west around 5 mph in the afternoon.

Monday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Northwest wind around 5 mph becoming calm in the evening.

Tuesday

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind becoming west around 5 mph in the afternoon.

Tuesday Night

A 30 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm in the evening.

Wednesday

A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

Wednesday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 60%.

Thursday

A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny and hot, with a high near 91. Chance of precipitation is 60%.

Thursday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

Friday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 70%.

Friday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely. Partly sunny and hot, with a high near 91. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Sunday

A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.