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

85°F

29°C

Humidity	63%
Wind Speed	S 7 mph
Barometer	29.94 in (1012.6 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	20 Aug 1:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles SW Maryville TN

This Afternoon
High: 90 °F
T-storms
Likely
Tonight
Low: 70 °F
Chance
T-storms then
Mostly Cloudy
Thursday
High: 87 °F
Partly Sunny
Thursday Night
Low: 67 °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: 85 °F
Slight Chance
T-storms then
Chance
T-storms
Saturday Night
Low: 68 °F
Chance
T-storms
Sunday
High: 84 °F
Chance
T-storms

Detailed Forecast

This Afternoon

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

Tonight

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 70. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Thursday

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

Thursday Night

Partly cloudy, with a low around 67. 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 becoming north around 5 mph.

Friday Night

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

Saturday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph. Chance of precipitation is 50%.

Saturday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

Sunday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

Sunday Night

Mostly clear, with a low around 64.

Monday

Sunny, with a high near 80.

Monday Night

Partly cloudy, with a low around 57.

Tuesday

Mostly sunny, with a high near 76.