Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

86°F

30°C

Humidity	59%
Wind Speed	W 6 mph
Barometer	29.98 in (1013.8 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	4 Jul 8:53 pm EDT

More Information:

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

Extended Forecast for

6 Miles SW Knoxville TN

Tonight
Low: 73 °F
Slight Chance
T-storms
Sunday
High: 92 °F
Mostly Sunny
then T-storms
Likely
Sunday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Monday
High: 90 °F
Mostly Sunny
then T-storms
Likely
Monday Night
Low: 72 °F
Showers
Likely
Tuesday
High: 89 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 71 °F
Chance
T-storms
Wednesday
High: 90 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. Calm wind.

Sunday

Showers and thunderstorms likely, mainly after 4pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A 40 percent chance of showers and thunderstorms, mainly between 1am and 2am. Partly cloudy, with a low around 72. Calm wind.

Monday

Showers and thunderstorms likely between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 97. Calm wind becoming west around 5 mph. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

Tuesday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 89. Calm wind. Chance of precipitation is 40%.

Tuesday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind.

Wednesday

A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90.

Wednesday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Thursday

A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 89. Chance of precipitation is 60%.

Thursday Night

Showers and thunderstorms likely. Partly cloudy, with a low around 72. Chance of precipitation is 60%.

Friday

Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 70%.

Friday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely. Partly sunny, with a high near 87. Chance of precipitation is 60%.