Severe Weather and Heavy Rain from the Great Lakes to the Mid-Atlantic; Heat Persists in the East

Widespread strong thunderstorms with damaging winds and locally heavy rain are expected from the Upper Ohio Valley into the southern Mid-Atlantic today and portions of the central Appalachians and Carolinas on Saturday. Monsoonal moisture will bring a flash flooding threat to the Desert Southwest. Sweltering heat persists from the Plains to the southern Mid-Atlantic through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

83°F

28°C

Humidity	70%
Wind Speed	Vrbl 3 mph
Barometer	29.98 in (1013.6 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	5 Sep 12:53 am EDT

More Information:

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

Extended Forecast for

6 Miles N Louisville TN

Heat Advisory September 5, 01:45am until September 5, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory September 5, 01:45am until September 5, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
Overnight
Low: 74 °F
Mostly Clear
Saturday
High: 97 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 72 °F
Chance
T-storms then
Slight Chance
Showers
Sunday
High: 93 °F
Sunny then
Chance
Showers
Sunday Night
Low: 69 °F
Chance
Showers then
Mostly Clear
Labor Day
High: 91 °F
Mostly Sunny
then Chance
T-storms
Monday Night
Low: 68 °F
Chance
T-storms then
Slight Chance
Showers
Tuesday
High: 91 °F
Slight Chance
Showers

Detailed Forecast

Overnight

Mostly clear, with a low around 74. Calm wind.

Saturday

A 30 percent chance of showers and thunderstorms, mainly between 3pm and 5pm. Sunny and hot, with a high near 97. Heat index values as high as 106. Calm wind becoming northwest around 5 mph.

Saturday Night

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 72. Southeast wind around 5 mph becoming calm. Chance of precipitation is 30%.

Sunday

A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming north around 5 mph in the afternoon.

Sunday Night

A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 69. Northeast wind 5 to 10 mph.

Labor Day

A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind.

Monday Night

A chance of showers and thunderstorms before 8pm, then a slight chance of showers between 8pm and 2am. Partly cloudy, with a low around 68. Southeast wind around 5 mph becoming calm. Chance of precipitation is 30%.

Tuesday

A slight chance of showers between 8am and 2pm. Mostly sunny and hot, with a high near 91. Chance of precipitation is 20%.

Tuesday Night

Mostly clear, with a low around 68.

Wednesday

A 20 percent chance of showers before 2pm. Sunny and hot, with a high near 93.

Wednesday Night

Mostly clear, with a low around 70.

Thursday

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

Thursday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.