Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, 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

86°F

30°C

Humidity	49%
Wind Speed	W 12 mph
Barometer	30.04 in (1015.9 mb)
Dewpoint	65°F (18°C)
Visibility	8.00 mi
Heat Index	88°F (31°C)
Last update	19 Aug 1:53 pm EDT

More Information:

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

Extended Forecast for

3 Miles WSW Alcoa TN

This Afternoon
High: 90 °F
Hot
Tonight
Low: 71 °F
Partly Cloudy
Thursday
High: 90 °F
Chance
Showers then
Slight Chance
T-storms
Thursday Night
Low: 70 °F
Showers
Likely
Friday
High: 88 °F
Showers
Likely
Friday Night
Low: 68 °F
Showers
Likely then
Slight Chance
Showers
Saturday
High: 89 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Partly Cloudy
Sunday
High: 89 °F
Sunny

Detailed Forecast

This Afternoon

Sunny and hot, with a high near 90. Calm wind.

Tonight

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

Thursday

A chance of showers and thunderstorms before 11am, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 96. West wind around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms before 11pm, then showers likely and possibly a thunderstorm between 11pm and 2am, then a chance of showers and thunderstorms after 2am. Increasing clouds, with a low around 70. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

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 88. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.

Friday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 68. West wind around 5 mph becoming calm. Chance of precipitation is 60%.

Saturday

Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon.

Saturday Night

Partly cloudy, with a low around 67.

Sunday

Sunny, with a high near 89.

Sunday Night

Partly cloudy, with a low around 65.

Monday

Mostly sunny, with a high near 88.

Monday Night

Partly cloudy, with a low around 67.