Storms and Heavy Rainfall in the Plains and Southern Appalachians; Hazardous Heat in the South and Southeast

Severe thunderstorms with heavy rainfall will be possible across the southern Appalachians through this evening. Thunderstorms are also expected from the northern/central Plains into portions of the Midwest through Tuesday, and severe storms may produce large hail and damaging wind gusts. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

74°F

23°C

Humidity	94%
Wind Speed	S 5 mph
Barometer	29.97 in (1013.7 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	17 Aug 7:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles NW Seymour TN

Flash Flood Warning until August 17, 08:15pm

Click here for hazard details and duration

...

Flash Flood Warning until August 17, 08:15pm
NOW until 8:15pm Mon
Flash Flood Warning
Tonight
Low: 72 °F
Showers
Likely then
Slight Chance
Showers
Tuesday
High: 88 °F
Partly Sunny
Tuesday Night
Low: 67 °F
Mostly Clear
Wednesday
High: 91 °F
Hot
Wednesday Night
Low: 71 °F
Mostly Clear
Thursday
High: 91 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 70 °F
Chance
T-storms
Friday
High: 88 °F
Chance
Showers then
Showers
Likely

Detailed Forecast

Tonight

Showers and thunderstorms likely before midnight, then a slight chance of showers between midnight and 1am. Cloudy during the early evening, then becoming partly cloudy, with a low around 72. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Partly sunny, with a high near 88. Calm wind becoming northwest around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 67. North wind around 5 mph becoming calm in the evening.

Wednesday

Sunny and hot, with a high near 91. Calm wind.

Wednesday Night

Mostly clear, with a low around 71. Calm wind.

Thursday

A chance of showers, with thunderstorms also possible after 11am. Partly sunny and hot, with a high near 91. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 30%.

Thursday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm. Chance of precipitation is 40%.

Friday

A 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 88. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 68. Chance of precipitation is 60%.

Saturday

A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.

Saturday Night

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

Sunday

Mostly sunny, with a high near 88.

Sunday Night

Mostly clear, with a low around 64.

Monday

Mostly sunny, with a high near 87.