Heavy to Excessive Rainfall and Flooding Threats in the Central and Eastern U.S.; Heat and Fire Weather Concerns in the West

Thunderstorms producing excessive rainfall and potential flooding concerns will continue through tonight from the Southern Plains to the East Coast. Areas of greatest concern for flooding are over central Texas and the Mid-Atlantic. Heat will continue to build across the West through Tuesday. Heat Advisories and Extreme Heat Warnings are in effect. Fire Weather concerns continue through Monday. 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

71°F

22°C

Humidity	90%
Wind Speed	Calm
Barometer	30.08 in (1017.3 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	14 Jul 4:53 am EDT

More Information:

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

Extended Forecast for

Maryville TN

Today
High: 93 °F
Mostly Sunny
then Chance
T-storms
Tonight
Low: 72 °F
Slight Chance
T-storms then
Mostly Clear
Tuesday
High: 95 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 93 °F
Slight Chance
T-storms then
T-storms
Likely
Wednesday Night
Low: 73 °F
T-storms
Likely then
Chance
Showers
Thursday
High: 93 °F
Chance
Showers then
T-storms
Likely
Thursday Night
Low: 73 °F
T-storms
Likely then
Slight Chance
T-storms
Friday
High: 92 °F
Slight Chance
T-storms then
T-storms
Likely

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming west around 5 mph in the afternoon.

Tonight

A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly sunny and hot, with a high near 95. Heat index values as high as 101. Calm wind.

Tuesday Night

A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm.

Wednesday

A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

Wednesday Night

Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Thursday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 93. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

Thursday Night

Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

Friday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 60%.

Friday Night

Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely. Partly sunny and hot, with a high near 92. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Sunday

A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.