Dangerous Surf and Rip Currents for most of the Atlantic Shoreline; Record Heat for the West

Hurricane Erin continues to track northward. Tropical storm force winds, storm surge conditions will increase for the Outer Banks today and portions of coastal Virginia. Life-threatening surf and rip currents along much of the east coast of the U.S. this week. Major to extreme HeatRisk with new record high temperatures are expected for many areas of the western U.S. this week. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

73°F

23°C

Humidity	90%
Wind Speed	SW 3 mph
Barometer	30.00 in (1014.3 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	20 Aug 6:53 am EDT

More Information:

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

Extended Forecast for

3 Miles SW Louisville TN

Today
High: 90 °F
Mostly Sunny
then T-storms
Likely
Tonight
Low: 71 °F
Chance
T-storms then
Partly Cloudy
Thursday
High: 87 °F
Partly Sunny
Thursday Night
Low: 69 °F
Partly Cloudy
Friday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 69 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 87 °F
Chance
T-storms
Saturday Night
Low: 69 °F
Chance
T-storms
Sunday
High: 86 °F
Chance
T-storms

Detailed Forecast

Today

Showers and thunderstorms likely, mainly between 3pm and 4pm. Mostly sunny and hot, with a high near 90. Heat index values as high as 99. Calm wind becoming northwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 71. Northwest wind around 5 mph becoming calm.

Thursday

Partly sunny, with a high near 87. North wind around 5 mph.

Thursday Night

Partly cloudy, with a low around 69. North wind around 5 mph.

Friday

A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind.

Friday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm.

Saturday

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph.

Saturday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

Sunday Night

A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 64.

Monday

Sunny, with a high near 82.

Monday Night

Partly cloudy, with a low around 58.

Tuesday

Mostly sunny, with a high near 78.