Dangerous Heat Wave Continues; Enhanced Area of Severe Thunderstorms Today

A prolonged, dangerous heat wave will continue today in the Midwest and Mississippi Valley, and persist through the Independence Day weekend across the Ohio Valley, Mid-South, and East Coast. Widespread moderate to extreme HeatRisk is forecast. Scattered wind damage and large hail are expected from severe thunderstorms impacting parts of Nebraska into Iowa today. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

93°F

34°C

Humidity	52%
Wind Speed	E 7 mph
Barometer	30.11 in (1018.1 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Heat Index	102°F (39°C)
Last update	3 Jul 1:53 pm EDT

More Information:

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

Extended Forecast for

2 Miles E Lenoir City TN

Heat Advisory July 3, 02:50pm until July 4, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 3, 02:50pm until July 4, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
This Afternoon
High: 96 °F
Chance
T-storms
Tonight
Low: 74 °F
Chance
T-storms then
Partly Cloudy
Independence Day
High: 95 °F
Hot
Saturday Night
Low: 74 °F
Partly Cloudy
then Slight
Chance
T-storms
Sunday
High: 93 °F
Slight Chance
T-storms then
T-storms
Likely
Sunday Night
Low: 73 °F
T-storms
Likely then
Chance
Showers
Monday
High: 91 °F
T-storms
Likely
Monday Night
Low: 73 °F
T-storms
Likely then
Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 106. Calm wind.

Tonight

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Calm wind.

Independence Day

Sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind.

Saturday Night

A slight chance of showers and thunderstorms between 1am and 2am. Partly cloudy, with a low around 74. Calm wind. Chance of precipitation is 20%.

Sunday

A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 93. Calm wind. Chance of precipitation is 60%.

Sunday 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. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm. Chance of precipitation is 60%.

Monday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

Tuesday

A slight chance of showers, then showers and thunderstorms likely after 8am. Partly sunny, with a high near 88. Chance of precipitation is 70%.

Tuesday Night

Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 72. Chance of precipitation is 60%.

Wednesday

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

Wednesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.