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.

A Few Clouds

80°F

27°C

Humidity	87%
Wind Speed	Calm
Barometer	30.14 in (1019.3 mb)
Dewpoint	76°F (24°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	15 Aug 11:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles SSW Maryville TN

Heat Advisory August 16, 12:16am until August 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 16, 12:16am until August 17, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
Overnight
Low: 74 °F
Mostly Clear
Sunday
High: 95 °F
Hot
Sunday Night
Low: 75 °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: 89 °F
Mostly Sunny
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 92 °F
Hot

Detailed Forecast

Overnight

Mostly clear, with a low around 74. Calm wind.

Sunday

Sunny and hot, with a high near 95. Heat index values as high as 104. Calm wind becoming west around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 75. South 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 102. South wind 5 to 10 mph becoming west in the afternoon.

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 in the evening.

Tuesday

Mostly sunny, with a high near 89. Calm wind becoming northwest 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 90.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.