Thunderstorms and Heavy Rainfall in the Mid-Atlantic; Fire Weather Concerns in the West

Thunderstorms are expected to bring heavy rain and potential significant flash and urban flooding to the Mid-Atlantic on Thursday, especially along the I-95 urban corridor. Dry conditions, gusty winds, and isolated dry thunderstorms will continue to bring a critical fire weather threat to the northwestern Great Basin into the interior Northwest through Thursday. 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

76°F

24°C

Humidity	85%
Wind Speed	N 6 mph
Barometer	30.03 in (1015.6 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	30 Jul 10:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles SSE Karns TN

Tonight
Low: 73 °F
Chance
Showers
Thursday
High: 91 °F
Chance
T-storms then
T-storms
Likely
Thursday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Friday
High: 87 °F
Chance
T-storms then
T-storms
Likely
Friday Night
Low: 69 °F
Showers
Likely then
Slight Chance
Showers
Saturday
High: 83 °F
Partly Sunny
then Chance
T-storms
Saturday Night
Low: 68 °F
Chance
T-storms
Sunday
High: 83 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 66 °F
Chance
T-storms

Detailed Forecast

Tonight

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

Thursday

Showers and thunderstorms likely, mainly between 3pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny and hot, with a high near 91. Heat index values as high as 101. Calm wind becoming west around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A 30 percent chance of showers and thunderstorms before 2am. Partly 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, with a high near 87. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 70%.

Friday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 69. Northeast wind around 5 mph. Chance of precipitation is 60%.

Saturday

A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 83. Northeast wind around 5 mph.

Saturday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Northeast wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Sunday

A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Sunday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 66. Chance of precipitation is 30%.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 85. Chance of precipitation is 40%.

Monday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 67.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Tuesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

Wednesday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.