Extreme Heat in the Southwest; Severe Weather in the Northern Plains; Heavy Rain in the East

Extreme heat continues across the Southwest as temperatures may top 120 degrees. The heat may expand across the West and south-central U.S. into the middle of the month. Severe thunderstorms capable of severe wind gusts and large hail will be the primary hazards today across the northern Plains into the upper Midwest. Rainfall could be locally heavy across the Eastern U.S. today. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

71°F

22°C

Humidity	90%
Wind Speed	SW 6 mph
Barometer	29.87 in (1010.2 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	3 Aug 7:53 am EDT

More Information:

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

Extended Forecast for

4 Miles SSE Karns TN

Today
High: 84 °F
Slight Chance
Showers then
Chance
T-storms
Tonight
Low: 68 °F
Chance
Showers then
Partly Cloudy
Tuesday
High: 87 °F
Sunny then
Chance
T-storms
Tuesday Night
Low: 70 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 86 °F
Showers
Likely
Wednesday Night
Low: 70 °F
Showers
Likely then
Partly Cloudy
Thursday
High: 88 °F
Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 89 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 84. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Partly cloudy, with a low around 68. Northeast wind around 5 mph.

Tuesday

A 40 percent chance of showers and thunderstorms, mainly after 3pm. Increasing clouds, with a high near 87. Northeast wind around 5 mph becoming calm in the morning.

Tuesday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.

Wednesday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

Wednesday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

Thursday

A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

Thursday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.

Friday

A 40 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 89.

Friday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.

Saturday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Saturday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

Sunday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.