Heavy Rainfall and Flooding in the Mid-Atlantic; Heat and Wildfire Concerns in the West

Slow moving showers and thunderstorms may result in flash flooding for portions of the mid-Atlantic region through tonight. Meanwhile, excessive heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue for the West with dry and breezy conditions. Watching the tropics across the Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

76°F

24°C

Humidity	85%
Wind Speed	Calm
Barometer	30.08 in (1017.1 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	15 Jul 2:53 am EDT

More Information:

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

Extended Forecast for

3 Miles NNW Louisville TN

Overnight
Low: 72 °F
Partly Cloudy
Tuesday
High: 94 °F
Sunny then
Chance
T-storms
Tuesday Night
Low: 73 °F
Chance
T-storms
Wednesday
High: 93 °F
Slight Chance
T-storms then
Chance
T-storms
Wednesday Night
Low: 74 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 92 °F
Slight Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 74 °F
Showers
Likely then
Chance
Showers
Friday
High: 91 °F
Slight Chance
T-storms then
T-storms
Likely
Friday Night
Low: 73 °F
T-storms
Likely then
Chance
T-storms

Detailed Forecast

Overnight

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

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Sunny and hot, with a high near 94. Heat index values as high as 101. Calm wind.

Tuesday Night

A 30 percent chance of showers and thunderstorms, mainly before 9pm. Partly cloudy, with a low around 73. Calm wind.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 93. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.

Wednesday Night

A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 40%.

Thursday

Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Mostly sunny and hot, with a high near 92. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. 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, mainly before 8pm. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely. Partly 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 91.

Sunday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.