Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. 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

88°F

31°C

Humidity	55%
Wind Speed	Vrbl 6 mph
Barometer	30.08 in (1017.4 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	1 Aug 3:53 pm EDT

More Information:

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

Extended Forecast for

2 Miles WSW Louisville TN

This Afternoon
High: 87 °F
Chance
T-storms
Tonight
Low: 69 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 81 °F
Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 69 °F
T-storms
Likely then
Showers
Likely
Sunday
High: 79 °F
Showers
Likely then
T-storms
Likely
Sunday Night
Low: 65 °F
T-storms
Likely then
Chance
Showers
Monday
High: 83 °F
Chance
T-storms
Monday Night
Low: 67 °F
Chance
T-storms
Tuesday
High: 80 °F
Showers
Likely

Detailed Forecast

This Afternoon

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 87. North wind around 5 mph.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 69. Northeast wind around 5 mph.

Saturday

Showers and thunderstorms likely, mainly after 3pm. Mostly cloudy, with a high near 81. Northeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 69. East wind around 5 mph becoming calm. Chance of precipitation is 60%.

Sunday

Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 79. Calm wind. Chance of precipitation is 70%.

Sunday Night

Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 65. Calm wind. Chance of precipitation is 60%.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 83. Calm wind. Chance of precipitation is 40%.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

Tuesday 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. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Wednesday

Showers and thunderstorms likely. Partly sunny, with a high near 83. Chance of precipitation is 70%.

Wednesday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

Thursday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.

Friday

A chance of showers and thunderstorms. Mostly sunny, with a high near 87.