Lala Approaching Hawaii; Flash Flooding Risks; Excessive Heat

Lala, may become a hurricane, is expected to impact Hawaii this weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians continues, with the threat shifting toward the mid-Atlantic later this weekend. Record heat continues for areas of the South. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

83°F

28°C

Humidity	79%
Wind Speed	Calm
Barometer	30.14 in (1019.4 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	91°F (33°C)
Last update	15 Aug 10:53 pm EDT

More Information:

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

Extended Forecast for

Knoxville, McGhee Tyson Airport TN

Heat Advisory August 15, 11:34pm until August 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 15, 11:34pm until August 17, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
Tonight
Low: 75 °F
Mostly Clear
Sunday
High: 95 °F
Hot
Sunday Night
Low: 76 °F
Mostly Clear
Monday
High: 94 °F
Sunny then
Chance
T-storms
Monday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 90 °F
Hot
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 92 °F
Hot

Detailed Forecast

Tonight

Mostly clear, with a low around 75. South wind around 5 mph becoming calm.

Sunday

Sunny and hot, with a high near 95. Heat index values as high as 100. West wind 5 to 10 mph.

Sunday Night

Mostly clear, with a low around 76. Southwest wind around 5 mph.

Monday

A 50 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. Heat index values as high as 99. West wind around 10 mph.

Monday Night

A 50 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 73. West wind around 5 mph becoming calm after midnight.

Tuesday

Mostly sunny and hot, with a high near 90. Calm wind becoming north around 5 mph in the afternoon.

Tuesday Night

Mostly clear, with a low around 69. Northeast wind around 5 mph becoming calm.

Wednesday

Sunny and hot, with a high near 92.

Wednesday Night

A 30 percent chance of showers and thunderstorms after 2am. Partly cloudy, with a low around 72.

Thursday

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 91.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.