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, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

84°F

29°C

Humidity	65%
Wind Speed	SW 7 mph
Barometer	30.05 in (1016.2 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	12 Aug 2:53 pm EDT

More Information:

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

Extended Forecast for

6 Miles SW Townsend TN

This Afternoon
High: 80 °F
Heavy Rain
Tonight
Low: 69 °F
Heavy Rain
Wednesday
High: 80 °F
Heavy Rain
Wednesday Night
Low: 68 °F
Showers
Likely
Thursday
High: 83 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 68 °F
Showers
Likely then
Partly Cloudy
Friday
High: 86 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 68 °F
Chance
T-storms then
Mostly Clear
Saturday
High: 87 °F
Sunny then
Chance
T-storms

Detailed Forecast

This Afternoon

Showers and possibly a thunderstorm before 5pm, then showers and thunderstorms likely after 5pm. Some of the storms could produce heavy rainfall. High near 80. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms, mainly before 2am, then showers likely and possibly a thunderstorm after 3am. Some of the storms could produce heavy rainfall. Low around 69. South wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers and thunderstorms likely after 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 80. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

Thursday

A chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%.

Friday

A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Calm wind becoming north around 5 mph.

Friday Night

A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68.

Saturday

A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 87.

Saturday Night

A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 68.

Sunday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.