Dangerous Heat Continues; Monitoring Excessive Rainfall and Flash Flooding

The heat continues along and east of the Mississippi River. The most significant cumulative heat impacts are expected across the Mid-Atlantic through today and eastern Ohio Valley through Friday. Severe weather and heavy rainfall potential from the Southwest, Plains, upper Midwest, Great Lakes, mid-Atlantic and Northeast the next couple of days. A disturbance near the Marianas may bring flooding. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

87°F

31°C

Humidity	61%
Wind Speed	E 7 mph
Barometer	30.04 in (1016.0 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	26 Jun 5:53 pm EDT

More Information:

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

Extended Forecast for

Lenoir City TN

Heat Advisory June 26, 06:50pm until June 26, 08:00pm

Click here for hazard details and duration

...

Heat Advisory June 26, 06:50pm until June 26, 08:00pm
NOW until 8:00pm Thu
Heat Advisory
Tonight
Low: 70 °F
Chance
T-storms then
Mostly Cloudy
Friday
High: 92 °F
Slight Chance
Showers then
T-storms
Likely
Friday Night
Low: 70 °F
Chance
T-storms
Saturday
High: 89 °F
Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 70 °F
T-storms
Likely then
Chance
Showers
Sunday
High: 89 °F
Chance
T-storms then
T-storms
Likely
Sunday Night
Low: 70 °F
T-storms
Likely then
Chance
T-storms
Monday
High: 89 °F
Chance
T-storms then
T-storms
Likely

Detailed Forecast

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 70. Calm wind.

Friday

Showers and thunderstorms likely, mainly after 3pm. Mostly sunny and hot, with a high near 92. Heat index values as high as 101. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 40%.

Saturday

A chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 89. Heat index values as high as 97. Calm wind. Chance of precipitation is 70%.

Saturday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

Sunday

Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Calm wind. Chance of precipitation is 70%.

Sunday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

Monday

Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Tuesday

A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 87. Chance of precipitation is 80%.

Tuesday Night

Showers and thunderstorms. Low around 69. Chance of precipitation is 80%.

Wednesday

A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.

Wednesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

Thursday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.