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.

Overcast

72°F

22°C

Humidity	82%
Wind Speed	S 9 mph
Barometer	30.01 in (1014.9 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Last update	12 Aug 1:53 am EDT

More Information:

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

Extended Forecast for

3 Miles N Greenback TN

Flash Flood Warning until August 12, 02:30am

Click here for hazard details and duration

...

Flash Flood Warning until August 12, 02:30am
NOW until 2:30am Wed
Flash Flood Warning
Overnight
Low: 72 °F
Mostly Cloudy
Wednesday
High: 90 °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
Chance
Showers
Friday Night
Low: 74 °F
Slight Chance
Showers then
Partly Cloudy
Saturday
High: 92 °F
Hot

Detailed Forecast

Overnight

Mostly cloudy, with a low around 72. South wind around 5 mph.

Wednesday

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 103. 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 3am. 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 103. 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. South wind around 5 mph.

Friday

A chance of showers, with thunderstorms also possible after 11am. Mostly sunny and hot, with a high near 92. West wind around 5 mph. Chance of precipitation is 30%.

Friday Night

A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 74. Calm wind.

Saturday

Mostly sunny and hot, with a high near 92.

Saturday Night

Partly cloudy, with a low around 74.

Sunday

Sunny and hot, with a high near 94.

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 95.