Thunderstorms and Heavy Rains Across Portions of the Central and Eastern US; Heat Expands to Portions of the East

Widespread showers and thunderstorms, some severe, may produce heavy downpours and flash flooding across much of the eastern and central U.S. Dangerous heat will continue in the Pacific Northwest and expand across portions of the East. Deep tropical moisture and associated thunderstorms will bring heavy rainfall and localized flash flooding across portions of Florida into the central Gulf Coast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Mostly Cloudy

73°F

23°C

Humidity	100%
Wind Speed	Calm
Barometer	30.07 in
Dewpoint	73°F (23°C)
Visibility	7.00 mi
Last update	16 Jul 1:15 am EDT

More Information:

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

Extended Forecast for

3 Miles E Heiskell TN

Overnight
Low: 71 °F
Partly Cloudy
Wednesday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 73 °F
Chance
T-storms
Thursday
High: 92 °F
Slight Chance
T-storms then
Chance
T-storms
Thursday Night
Low: 73 °F
Chance
T-storms
Friday
High: 90 °F
Slight Chance
T-storms then
T-storms
Likely
Friday Night
Low: 72 °F
Showers
Likely then
Chance
Showers
Saturday
High: 88 °F
Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 72 °F
T-storms
Likely then
Chance
T-storms

Detailed Forecast

Overnight

Partly cloudy, with a low around 71. Calm wind.

Wednesday

A 50 percent chance of showers and thunderstorms after 2pm. 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. 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 before midnight. Mostly cloudy, with a low around 73. Southwest wind around 5 mph becoming calm.

Thursday

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 99. Southwest wind around 5 mph. Chance of precipitation is 50%.

Thursday Night

A 30 percent chance of showers and thunderstorms, mainly before 2am. Mostly cloudy, with a low around 73. Calm wind.

Friday

Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 72. Calm wind. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 70%.

Saturday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Sunday

A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 70%.

Sunday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

Monday

Showers and thunderstorms likely. Mostly sunny and hot, with a high near 91. Chance of precipitation is 60%.

Monday Night

Showers and thunderstorms likely. Partly cloudy, with a low around 72. Chance of precipitation is 60%.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.