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

Hazardous Weather Outlook

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Partly Cloudy

84°F

29°C

Humidity	66%
Wind Speed	W 6 G 13 mph
Barometer	30.04 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	17 Jun 12:55 pm EDT

More Information:

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

Extended Forecast for

Powell TN

This Afternoon
High: 83 °F
T-storms
Likely
Tonight
Low: 69 °F
T-storms
Likely then
Chance
T-storms
Wednesday
High: 84 °F
T-storms
Likely
Wednesday Night
Low: 70 °F
T-storms
Likely
Juneteenth
High: 82 °F
Showers
Likely then
T-storms
Thursday Night
Low: 67 °F
Showers then
Slight Chance
Showers
Friday
High: 86 °F
Mostly Sunny
Friday Night
Low: 67 °F
Mostly Clear
Saturday
High: 89 °F
Sunny

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, mainly after 5pm. Mostly sunny, with a high near 83. Southwest wind around 10 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.

Tonight

Showers and thunderstorms likely, mainly before 3am. Mostly cloudy, with a low around 69. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers and thunderstorms likely, mainly after 2pm. Mostly cloudy, with a high near 84. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 70. Southwest wind 5 to 10 mph. Chance of precipitation is 60%.

Juneteenth

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 82. 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 slight 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.

Friday Night

Mostly clear, with a low around 67.

Saturday

Sunny, with a high near 89.

Saturday Night

Mostly clear, with a low around 70.

Sunday

A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 91.

Sunday Night

A 10 percent chance of showers and thunderstorms. Mostly clear, with a low around 72.