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

71°F

22°C

Humidity	87%
Wind Speed	SW 5 mph
Barometer	29.98 in (1013.8 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Last update	23 Aug 2:53 am EDT

More Information:

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

Extended Forecast for

4 Miles ESE Karns TN

Overnight
Low: 66 °F
Mostly Clear
Sunday
High: 87 °F
Patchy Fog
then Sunny
Sunday Night
Low: 61 °F
Partly Cloudy
Monday
High: 87 °F
Mostly Sunny
Monday Night
Low: 60 °F
Partly Cloudy
Tuesday
High: 88 °F
Sunny
Tuesday Night
Low: 63 °F
Mostly Clear
Wednesday
High: 90 °F
Hot
Wednesday Night
Low: 68 °F
Chance
T-storms

Detailed Forecast

Overnight

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

Sunday

Patchy fog before 7am. Otherwise, sunny, with a high near 87. Calm wind becoming north around 5 mph.

Sunday Night

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

Monday

Mostly sunny, with a high near 87. Calm wind.

Monday Night

Partly cloudy, with a low around 60. Northeast wind around 5 mph.

Tuesday

Sunny, with a high near 88. Northeast wind around 5 mph becoming calm in the morning.

Tuesday Night

Mostly clear, with a low around 63. Calm wind.

Wednesday

Mostly sunny and hot, with a high near 90.

Wednesday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

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. Partly cloudy, with a low around 67.

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 90.