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, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

83°F

28°C

Humidity	65%
Wind Speed	Calm
Barometer	30.04 in (1015.9 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	87°F (31°C)
Last update	15 Jul 10:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles SSW Townsend TN

Tonight
Low: 71 °F
Slight Chance
T-storms
Wednesday
High: 88 °F
Mostly Sunny
then T-storms
Likely
Wednesday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 88 °F
Chance
Showers then
T-storms
Likely
Thursday Night
Low: 72 °F
T-storms
Likely then
Chance
Showers
Friday
High: 87 °F
Chance
T-storms then
T-storms
Likely
Friday Night
Low: 71 °F
T-storms
Likely then
Chance
T-storms
Saturday
High: 87 °F
Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 71 °F
T-storms
Likely then
Slight Chance
T-storms

Detailed Forecast

Tonight

A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 71. South wind around 5 mph.

Wednesday

Showers and thunderstorms likely, mainly after 3pm. Mostly sunny, with a high near 88. South wind around 5 mph becoming southwest in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72. South wind around 5 mph.

Thursday

A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 88. Southwest wind around 5 mph. Chance of precipitation is 70%.

Thursday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 72. South wind around 5 mph. Chance of precipitation is 60%.

Friday

A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%.

Friday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 60%.

Saturday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Sunday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 89. Chance of precipitation is 60%.

Sunday Night

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

Monday

Showers and thunderstorms likely. Mostly sunny, with a high near 88. Chance of precipitation is 70%.

Monday Night

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