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.

Mostly Cloudy

86°F

30°C

Humidity	70%
Wind Speed	S 5 mph
Barometer	30.21 in (1021.5 mb)
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	95°F (35°C)
Last update	15 Aug 11:53 am EDT

More Information:

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

Extended Forecast for

5 Miles S Maryville TN

Heat Advisory August 15, 12:38pm until August 16, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 15, 12:38pm until August 16, 08:00pm
NOW until 8:00pm Sun
Heat Advisory
This Afternoon
High: 93 °F
Slight Chance
T-storms
Tonight
Low: 75 °F
Partly Cloudy
Sunday
High: 94 °F
Hot
Sunday Night
Low: 77 °F
Mostly Clear
Monday
High: 94 °F
Sunny then
Chance
T-storms
Monday Night
Low: 74 °F
Chance
T-storms then
Chance
Showers
Tuesday
High: 90 °F
Hot
Tuesday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

This Afternoon

A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 102. Calm wind. Chance of precipitation is 20%.

Tonight

Partly cloudy, with a low around 75. Calm wind.

Sunday

Sunny and hot, with a high near 94. Heat index values as high as 102. South wind around 5 mph becoming west in the afternoon.

Sunday Night

Mostly clear, with a low around 77. South wind around 5 mph.

Monday

A 50 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. South wind around 5 mph becoming west in the afternoon.

Monday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 74. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Tuesday

Mostly sunny and hot, with a high near 90. Calm wind becoming northwest around 5 mph.

Tuesday Night

Partly cloudy, with a low around 70.

Wednesday

Sunny and hot, with a high near 92.

Wednesday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.

Thursday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Thursday Night

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