Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. 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

85°F

29°C

Humidity	53%
Wind Speed	SW 5 mph
Barometer	29.94 in (1012.6 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	22 Aug 6:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles SSW Tallassee TN

Tonight
Low: 66 °F
Slight Chance
T-storms then
Partly Cloudy
Sunday
High: 84 °F
Patchy Fog
then Sunny
Sunday Night
Low: 63 °F
Partly Cloudy
Monday
High: 85 °F
Mostly Sunny
Monday Night
Low: 63 °F
Partly Cloudy
Tuesday
High: 86 °F
Mostly Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 89 °F
Slight Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 69 °F
Chance
T-storms

Detailed Forecast

Tonight

A slight chance of showers and thunderstorms between 9pm and 11pm. Partly cloudy, with a low around 66. West wind around 5 mph becoming calm. Chance of precipitation is 20%.

Sunday

Patchy fog before 10am. Otherwise, sunny, with a high near 84. Calm wind becoming north around 5 mph.

Sunday Night

Partly cloudy, with a low around 63. Calm wind.

Monday

Mostly sunny, with a high near 85. Calm wind becoming northwest around 5 mph.

Monday Night

Partly cloudy, with a low around 63. Calm wind.

Tuesday

Mostly sunny, with a high near 86. Calm wind.

Tuesday Night

Mostly clear, with a low around 66. Calm wind.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 40%.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

Thursday

A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 60%.

Thursday Night

Showers and thunderstorms likely. Partly cloudy, with a low around 68. Chance of precipitation is 60%.

Friday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.

Friday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.