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.

Partly Cloudy

72°F

22°C

Humidity	91%
Wind Speed	NE 7 mph
Barometer	29.94 in (1012.5 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	4 Aug 3:53 am EDT

More Information:

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

Extended Forecast for

5 Miles WSW Maryville TN

Today
High: 88 °F
Sunny then
Chance
T-storms
Tonight
Low: 69 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 87 °F
Sunny then
Chance
T-storms
Wednesday Night
Low: 70 °F
Chance
T-storms then
Slight Chance
Showers
Thursday
High: 88 °F
Chance
T-storms
Thursday Night
Low: 70 °F
Partly Cloudy
Friday
High: 89 °F
Slight Chance
T-storms then
Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms
Saturday
High: 88 °F
Slight Chance
T-storms then
Showers
Likely

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Heat index values as high as 95. Northeast wind around 5 mph becoming calm.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Heat index values as high as 95. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday 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 70. South wind around 5 mph becoming calm. Chance of precipitation is 30%.

Thursday

A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.

Thursday Night

Partly cloudy, with a low around 70. South wind around 5 mph becoming calm in the evening.

Friday

A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

Friday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 70.

Saturday

A slight chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 88. Chance of precipitation is 60%.

Saturday Night

Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 60%.

Sunday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Sunday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Monday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.