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	59%
Wind Speed	S 6 mph
Barometer	29.99 in (1014.2 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	21 Aug 3:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles SSW Townsend TN

This Afternoon
High: 80 °F
Chance
T-storms
Tonight
Low: 66 °F
Chance
T-storms then
Mostly Clear
Saturday
High: 84 °F
Mostly Sunny
Saturday Night
Low: 64 °F
Chance
Showers
Sunday
High: 80 °F
Sunny
Sunday Night
Low: 59 °F
Mostly Clear
Monday
High: 82 °F
Mostly Sunny
Monday Night
Low: 61 °F
Partly Cloudy
Tuesday
High: 82 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 80. West wind around 5 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly clear, with a low around 66. Calm wind.

Saturday

Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.

Saturday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 64. West wind around 5 mph becoming calm. Chance of precipitation is 40%.

Sunday

Sunny, with a high near 80. Calm wind becoming northwest around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 59. Northwest wind around 5 mph becoming calm.

Monday

Mostly sunny, with a high near 82. Calm wind becoming northwest around 5 mph in the afternoon.

Monday Night

Partly cloudy, with a low around 61.

Tuesday

A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 82.

Tuesday Night

A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 64.