Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

Hazardous Weather Conditions

Special Weather Statement

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fog

72°F

22°C

Humidity	100%
Wind Speed	Calm
Barometer	30.10 in
Dewpoint	72°F (22°C)
Visibility	0.25 mi
Last update	15 Aug 5:50 am EDT

More Information:

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

Extended Forecast for

2 Miles SSW Mascot TN

Today
High: 91 °F
Patchy Fog
then Slight
Chance
T-storms
Tonight
Low: 70 °F
Partly Cloudy
Saturday
High: 93 °F
Hot
Saturday Night
Low: 70 °F
Mostly Clear
Sunday
High: 95 °F
Hot
Sunday Night
Low: 71 °F
Mostly Clear
Monday
High: 96 °F
Hot
Monday Night
Low: 71 °F
Mostly Clear
Tuesday
High: 95 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Today

A 20 percent chance of showers and thunderstorms after 3pm. Patchy fog between 8am and 9am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 99. Calm wind.

Tonight

Partly cloudy, with a low around 70. Calm wind.

Saturday

Mostly sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind.

Saturday Night

Mostly clear, with a low around 70. Calm wind.

Sunday

Sunny and hot, with a high near 95. Calm wind.

Sunday Night

Mostly clear, with a low around 71. Calm wind.

Monday

Sunny and hot, with a high near 96. Calm wind becoming northeast around 5 mph.