Severe Thunderstorms and Heavy Rain Across the Central US and Central Appalachians

Severe thunderstorms producing damaging winds, hail and possibly a few tornadoes are expected across parts of the central Plains and the Missouri Valley. Heavy rainfall and flash flooding is also expected in the area. Thunderstorms and heavy rain may also bring additional flooding impacts to the central Appalachians. High temperatures and critical fire weather conditions expected in the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

79°F

26°C

Humidity	79%
Wind Speed	SW 9 mph
Barometer	29.94 in (1012.8 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	17 Jun 6:53 pm EDT

More Information:

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

Extended Forecast for

Maryville TN

Tonight
Low: 71 °F
T-storms then
Chance
Showers
Wednesday
High: 86 °F
T-storms
Likely
Wednesday Night
Low: 71 °F
Chance
T-storms
Juneteenth
High: 83 °F
Showers
Likely then
T-storms
Thursday Night
Low: 67 °F
T-storms then
Chance
Showers
Friday
High: 86 °F
Mostly Sunny
Friday Night
Low: 67 °F
Mostly Clear
Saturday
High: 90 °F
Hot
Saturday Night
Low: 70 °F
Mostly Clear

Detailed Forecast

Tonight

Showers and thunderstorms, mainly before midnight. Low around 71. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers and thunderstorms likely, mainly before 4pm. Partly sunny, with a high near 86. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 71. Southwest wind 5 to 10 mph.

Juneteenth

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 83. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Thursday Night

Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 67. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

Friday

Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph.

Friday Night

Mostly clear, with a low around 67. Calm wind.

Saturday

Sunny and hot, with a high near 90.

Saturday Night

Mostly clear, with a low around 70.

Sunday

A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92.

Sunday Night

A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 71.