Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

76°F

24°C

Humidity	77%
Wind Speed	SW 6 mph
Barometer	29.97 in (1013.5 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	20 Aug 1:53 am EDT

More Information:

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

Extended Forecast for

5 Miles SSW Seymour TN

Overnight
Low: 71 °F
Partly Cloudy
Thursday
High: 89 °F
Chance
Showers then
Mostly Sunny
Thursday Night
Low: 70 °F
Showers
Likely
Friday
High: 87 °F
Showers
Likely
Friday Night
Low: 69 °F
Showers
Likely then
Chance
Showers
Saturday
High: 88 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 87 °F
Mostly Sunny
Sunday Night
Low: 65 °F
Mostly Clear

Detailed Forecast

Overnight

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

Thursday

A 40 percent chance of showers and thunderstorms, mainly before 10am. Partly sunny, with a high near 89. Southwest wind around 5 mph.

Thursday Night

Showers and thunderstorms likely, mainly before 2am. Increasing clouds, with a low around 70. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 87. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

Friday Night

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

Saturday

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

Saturday Night

Mostly clear, with a low around 67. Northwest wind around 5 mph becoming calm.

Sunday

Mostly sunny, with a high near 87.

Sunday Night

Mostly clear, with a low around 65.

Monday

Mostly sunny, with a high near 87.

Monday Night

Partly cloudy, with a low around 66.