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

82°F

28°C

Humidity	60%
Wind Speed	Calm
Barometer	29.97 in (1013.8 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	19 Aug 8:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles SW Tallassee TN

Tonight
Low: 71 °F
Partly Cloudy
Thursday
High: 89 °F
Chance
Showers then
Mostly Sunny
Thursday Night
Low: 70 °F
Chance
T-storms then
Showers
Likely
Friday
High: 87 °F
Chance
Showers then
Showers
Likely
Friday Night
Low: 68 °F
Showers
Likely then
Slight Chance
Showers
Saturday
High: 87 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 65 °F
Mostly Clear

Detailed Forecast

Tonight

Partly cloudy, with a low around 71. Calm wind becoming southeast around 5 mph.

Thursday

A 40 percent chance of showers and thunderstorms, mainly before 10am. Mostly sunny, with a high near 89. Heat index values as high as 97. West wind around 5 mph becoming calm.

Thursday Night

A chance of showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 2am, then a chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 70. Calm wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

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. Chance of precipitation is 70%.

Friday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.

Saturday

Mostly sunny, with a high near 87. Calm wind becoming northwest around 5 mph.

Saturday Night

Mostly clear, with a low around 67. Calm wind.

Sunday

Sunny, with a high near 86.

Sunday Night

Mostly clear, with a low around 65.

Monday

Mostly sunny, with a high near 86.

Monday Night

Mostly clear, with a low around 66.