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.

A Few Clouds

69°F

21°C

Humidity	87%
Wind Speed	Calm
Barometer	30.01 in (1015.0 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	23 Aug 6:53 am EDT

More Information:

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

Extended Forecast for

Maryville TN

Today
High: 87 °F
Patchy Fog
then Sunny
Tonight
Low: 62 °F
Mostly Clear
Monday
High: 87 °F
Mostly Sunny
Monday Night
Low: 61 °F
Partly Cloudy
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 64 °F
Partly Cloudy
Wednesday
High: 91 °F
Mostly Sunny
then Slight
Chance
T-storms
Wednesday Night
Low: 69 °F
Chance
T-storms
Thursday
High: 89 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

Patchy fog before 9am. Otherwise, sunny, with a high near 87. Calm wind becoming north around 5 mph in the afternoon.

Tonight

Mostly clear, with a low around 62. North wind around 5 mph becoming calm.

Monday

Mostly sunny, with a high near 87. Calm wind becoming north around 5 mph.

Monday Night

Partly cloudy, with a low around 61. Northeast wind around 5 mph becoming calm.

Tuesday

Sunny, with a high near 89. Northeast wind around 5 mph becoming north in the afternoon.

Tuesday Night

Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm.

Wednesday

A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.

Wednesday Night

A 40 percent chance of showers and thunderstorms, mainly after 8pm. Partly cloudy, with a low around 69.

Thursday

A chance of showers and thunderstorms before 8am, then a chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 50%.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 68.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.

Friday Night

A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

Saturday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.