Severe Weather and Heavy Rainfall in the Ohio Valley; Heat Continuing in the South and Southeast

Severe thunderstorms with damaging wind gusts will be possible from the mid-Mississippi Valley into parts of the Ohio Valley and central Appalachians tonight. Heavy rain associated with these storms may lead to considerable flash and urban flooding impacts across portions of the Ohio Valley. Mid-summer heat persists from the Central Plains to the Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Thunderstorm Light Rain Fog/Mist

72°F

22°C

Humidity	91%
Wind Speed	N 15 G 37 mph
Barometer	30.05 in (1016.5 mb)
Dewpoint	69°F (21°C)
Visibility	4.00 mi
Last update	11 Aug 9:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles SE Lenoir City TN

Severe T-storm Watch August 11, 10:45pm until August 12, 02:00am

Click here for hazard details and duration

Severe T-storm Watch

Severe T-storm Watch August 11, 10:45pm until August 12, 02:00am
NOW until 2:00am Wed
Severe T-storm Watch
Tonight
Low: 72 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 89 °F
Chance
T-storms
Wednesday Night
Low: 73 °F
Chance
Showers
Thursday
High: 90 °F
Slight Chance
Showers then
Chance
T-storms
Thursday Night
Low: 75 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 92 °F
Slight Chance
T-storms
Friday Night
Low: 75 °F
Partly Cloudy
Saturday
High: 92 °F
Hot

Detailed Forecast

Tonight

A 50 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 72. Southwest wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly between 4pm and 5pm. Mostly sunny, with a high near 89. Heat index values as high as 100. South wind around 5 mph becoming west in the afternoon.

Wednesday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 73. South wind around 5 mph. Chance of precipitation is 30%.

Thursday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 102. Southwest wind around 5 mph. Chance of precipitation is 30%.

Thursday Night

A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm.

Friday

A slight chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.

Friday Night

Partly cloudy, with a low around 75. Calm wind.

Saturday

Mostly sunny and hot, with a high near 92.

Saturday Night

Partly cloudy, with a low around 75.

Sunday

Mostly sunny and hot, with a high near 93.

Sunday Night

Mostly clear, with a low around 75.

Monday

A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 94.