Heavy Rainfall Threat for Portions of Mid-Atlantic and Northeast; Heat Linger for Southeast and Expands for the West

Moisture and nearby frontal boundary will focus more showers and thunderstorms for portions of the Mid-Atlantic and Northeast today. Rainfall could be locally heavy resulting instances of flash flooding. Meanwhile, the heat lingers for areas of the Southeast and expands across the Western U.S. the next several days. Between these areas, severe thunderstorms possible for the Plains and Midwest. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

89°F

32°C

Humidity	50%
Wind Speed	SW 16 G 26 mph
Barometer	29.96 in (1013.1 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	6 Jul 4:53 pm EDT

More Information:

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

Extended Forecast for

6 Miles SE Karns TN

This Afternoon
High: 85 °F
T-storms
Tonight
Low: 71 °F
T-storms then
Slight Chance
T-storms
Tuesday
High: 87 °F
Slight Chance
T-storms and
Patchy Fog
then T-storms
Likely
Tuesday Night
Low: 71 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 89 °F
Chance
T-storms
Thursday Night
Low: 72 °F
Slight Chance
T-storms then
Chance
Showers
Friday
High: 88 °F
Showers
Likely then
T-storms

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm. Steady temperature around 85. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms, mainly before midnight. Low around 71. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Showers and thunderstorms likely, mainly between 4pm and 5pm. Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 87. Heat index values as high as 95. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71. Calm wind.

Wednesday

A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon.

Wednesday Night

A 30 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 71. West wind around 5 mph becoming calm.

Thursday

A chance of showers between 8am and 11am, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 89. Southwest wind 5 to 10 mph. Chance of precipitation is 40%.

Thursday Night

A slight chance of showers and thunderstorms, then a chance of showers after 2am. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Friday

A chance of showers, then showers and possibly a thunderstorm after 8am. High near 88. Chance of precipitation is 80%.

Friday Night

Showers and possibly a thunderstorm. Low around 72. Chance of precipitation is 80%.

Saturday

Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 80%.

Saturday Night

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

Sunday

Showers likely and possibly a thunderstorm. Partly sunny, with a high near 85. Chance of precipitation is 70%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.