Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fair

77°F

25°C

Humidity	79%
Wind Speed	Calm
Barometer	30.03 in (1015.6 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	16 Jul 2:53 am EDT

More Information:

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

Extended Forecast for

2 Miles SSE Lenoir City TN

Overnight
Low: 73 °F
Partly Cloudy
Wednesday
High: 93 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 75 °F
Chance
T-storms
Thursday
High: 93 °F
Chance
T-storms
Thursday Night
Low: 75 °F
Chance
T-storms
Friday
High: 92 °F
Slight Chance
T-storms then
T-storms
Likely
Friday Night
Low: 74 °F
Showers
Likely then
Chance
Showers
Saturday
High: 90 °F
Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 74 °F
T-storms
Likely then
Chance
T-storms

Detailed Forecast

Overnight

Partly cloudy, with a low around 73. Calm wind.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly between 2pm and 4pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.

Wednesday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

Thursday

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 99. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

Friday

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

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 74. Calm wind. Chance of precipitation is 60%.

Saturday

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

Saturday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

Sunday

A slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny and hot, with a high near 91. Chance of precipitation is 60%.

Sunday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

Monday

A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.

Monday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.