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.

Partly Cloudy

91°F

33°C

Humidity	57%
Wind Speed	Vrbl 3 mph
Barometer	30.14 in (1019.1 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	100°F (38°C)
Last update	3 Jul 12:53 pm EDT

More Information:

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

Extended Forecast for

2 Miles WNW Tallassee TN

Heat Advisory July 3, 01:37pm until July 4, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 3, 01:37pm until July 4, 08:00pm
NOW until 8:00pm Sat
Heat Advisory
This Afternoon
High: 93 °F
Chance
T-storms
Tonight
Low: 73 °F
Chance
T-storms then
Partly Cloudy
Independence Day
High: 93 °F
Sunny then
Chance
T-storms
Saturday Night
Low: 73 °F
Chance
T-storms
Sunday
High: 91 °F
Chance
T-storms
Sunday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Monday
High: 89 °F
Slight Chance
T-storms then
T-storms
Likely
Monday Night
Low: 72 °F
T-storms
Likely

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 73. Calm wind.

Independence Day

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73. Calm wind.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 91. Calm wind. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 30%.

Monday

Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.

Monday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 60%.

Tuesday

A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny, with a high near 87. Chance of precipitation is 70%.

Tuesday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Wednesday

Showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 60%.

Wednesday Night

Showers and thunderstorms likely. Partly cloudy, with a low around 71. Chance of precipitation is 60%.

Thursday

Showers and thunderstorms likely. Mostly sunny, with a high near 87. Chance of precipitation is 60%.