Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Light Rain

72°F

22°C

Humidity	94%
Wind Speed	NE 3 mph
Barometer	30.01 in (1015.1 mb)
Dewpoint	70°F (21°C)
Visibility	8.00 mi
Last update	23 Jul 4:53 am EDT

More Information:

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

Extended Forecast for

5 Miles E Greenback TN

Flood Watch July 23, 05:35am until July 23, 02:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch July 23, 05:35am until July 23, 02:00pm
NOW until 2:00pm Thu
Flood Watch
Overnight
Low: 69 °F
Showers
Likely
Thursday
High: 83 °F
Showers then
Chance
Showers
Thursday Night
Low: 70 °F
Slight Chance
T-storms then
Partly Cloudy
Friday
High: 86 °F
Slight Chance
Showers then
Showers
Likely
Friday Night
Low: 70 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 84 °F
Showers
Likely
Saturday Night
Low: 70 °F
Chance
T-storms then
Showers
Likely
Sunday
High: 88 °F
Showers
Likely then
Chance
Showers

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 69. Northeast wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and thunderstorms, mainly before 2pm. High near 83. Northeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A 20 percent chance of showers and thunderstorms before 9pm. Increasing clouds, with a low around 70. Northwest wind around 5 mph becoming calm.

Friday

A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly cloudy, with a high near 86. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

Friday Night

A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm. Chance of precipitation is 40%.

Saturday

A chance of showers and thunderstorms before 8am, then showers likely between 8am and 11am, then showers likely and possibly a thunderstorm after 11am. Mostly cloudy, with a high near 84. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%.

Saturday Night

A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 70. South wind around 5 mph becoming calm. Chance of precipitation is 60%.

Sunday

Showers likely, with thunderstorms also possible after 8am. Mostly sunny, with a high near 88. Chance of precipitation is 60%.

Sunday Night

A 10 percent chance of showers before 8pm. Partly cloudy, with a low around 70.

Monday

Mostly sunny and hot, with a high near 90.

Monday Night

Partly cloudy, with a low around 72.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.

Tuesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.