Severe Weather Threats Across the Plains; Dangerous Heat and Wildfire Concerns for the West; Watching the Tropics

Severe thunderstorms are expected across the Central Plains accompanied by damaging wind gusts and large hail. In addition, heavy rainfall may lead to instances of flash flooding from the Plains and mid-Atlantic regions. The heavy rainfall threat continues across Florida and across the northern Gulf as we monitor a tropical disturbance tracking westward. Critical fire weather for the Great Basin. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

76°F

24°C

Humidity	88%
Wind Speed	Calm
Barometer	30.10 in (1017.8 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	76°F (24°C)
Last update	15 Jul 7:53 am EDT

More Information:

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

Extended Forecast for

4 Miles SW Maryville TN

Today
High: 93 °F
Sunny then
Chance
T-storms
Tonight
Low: 72 °F
Chance
T-storms
Wednesday
High: 92 °F
Slight Chance
T-storms then
Chance
T-storms
Wednesday Night
Low: 74 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 91 °F
Slight Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 74 °F
T-storms
Likely then
Chance
Showers
Friday
High: 90 °F
Slight Chance
T-storms then
T-storms
Likely
Friday Night
Low: 73 °F
T-storms
Likely then
Chance
T-storms
Saturday
High: 90 °F
Chance
T-storms then
T-storms
Likely

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming west around 5 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 11pm. Partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm.

Wednesday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny and hot, with a high near 92. Heat index values as high as 100. Calm wind becoming southwest 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.

Wednesday Night

A chance of showers and thunderstorms before 5am, then a slight chance of showers. Mostly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 40%.

Thursday

A slight chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny and hot, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 60%.

Thursday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. South wind around 5 mph. Chance of precipitation is 60%.

Friday

Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 90. Southwest wind around 5 mph. Chance of precipitation is 70%.

Friday Night

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

Saturday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely, mainly before 8pm. Partly 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 91.

Sunday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

Monday

A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.