Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

82°F

28°C

Humidity	79%
Wind Speed	Calm
Barometer	30.01 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	12 Aug 5:15 pm EDT

More Information:

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

Extended Forecast for

2 Miles ESE Knoxville TN

This Afternoon
High: 81 °F
Heavy Rain
Tonight
Low: 72 °F
Heavy Rain
Wednesday
High: 85 °F
Heavy Rain
Wednesday Night
Low: 71 °F
Heavy Rain
then Chance
T-storms
Thursday
High: 88 °F
Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 91 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 72 °F
Mostly Clear
Saturday
High: 93 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms. Some of the storms could produce heavy rainfall. Mostly cloudy, with a steady temperature around 81. Southwest wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. South wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 85. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 88. Calm wind. Chance of precipitation is 40%.

Thursday Night

A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 71. Calm wind.

Friday

A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91. Calm wind.

Friday Night

Mostly clear, with a low around 72.

Saturday

A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93.

Saturday Night

Mostly clear, with a low around 72.

Sunday

A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 93.