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

77°F

25°C

Humidity	94%
Wind Speed	Calm
Barometer	30.12 in (1018.5 mb)
Dewpoint	75°F (24°C)
Visibility	9.00 mi
Heat Index	78°F (26°C)
Last update	16 Aug 2:53 am EDT

More Information:

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

Extended Forecast for

3 Miles ENE Knoxville TN

Heat Advisory August 16, 03:34am until August 17, 08:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory August 16, 03:34am until August 17, 08:00pm
NOW until 8:00pm Mon
Heat Advisory
Overnight
Low: 74 °F
Partly Cloudy
Sunday
High: 94 °F
Hot
Sunday Night
Low: 75 °F
Mostly Clear
Monday
High: 94 °F
Sunny then
Showers
Likely
Monday Night
Low: 73 °F
Showers
Likely
Tuesday
High: 91 °F
Hot
Tuesday Night
Low: 69 °F
Mostly Clear
Wednesday
High: 93 °F
Hot

Detailed Forecast

Overnight

Partly cloudy, with a low around 74. Calm wind.

Sunday

Sunny and hot, with a high near 94. Heat index values as high as 103. Calm wind becoming west around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 75. Southwest wind around 5 mph.

Monday

A chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Sunny and hot, with a high near 94. Heat index values as high as 105. Southwest wind around 5 mph. Chance of precipitation is 60%.

Monday Night

Showers likely and possibly a thunderstorm before 7pm, then a chance of showers and thunderstorms between 7pm and 2am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm. Chance of precipitation is 60%.

Tuesday

Mostly sunny and hot, with a high near 91. Calm wind.

Tuesday Night

Mostly clear, with a low around 69. Calm wind.

Wednesday

Sunny and hot, with a high near 93.

Wednesday Night

A 20 percent chance of showers after 2am. Partly cloudy, with a low around 72.

Thursday

A 40 percent chance of showers and thunderstorms, mainly after 8am. Mostly sunny and hot, with a high near 91.

Thursday Night

A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 70.