Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

80°F

27°C

Humidity	62%
Wind Speed	W 6 mph
Barometer	30.03 in (1015.7 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	82°F (28°C)
Last update	25 May 6:53 pm EDT

More Information:

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

Extended Forecast for

Louisville TN

Flood Watch until May 26, 03:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until May 26, 03:00am
NOW until 3:00am Tue
Flood Watch
Tonight
Low: 66 °F
T-storms then
Showers
Tuesday
High: 79 °F
Showers
Likely
Tuesday Night
Low: 65 °F
Showers
Wednesday
High: 79 °F
Showers
Wednesday Night
Low: 65 °F
Showers
Thursday
High: 81 °F
Showers
Likely
Thursday Night
Low: 62 °F
Showers
Likely then
Mostly Cloudy
Friday
High: 80 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

Tonight

Showers and thunderstorms before 4am, then showers likely. Low around 66. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Tuesday

Showers likely, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 79. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday Night

Showers and thunderstorms likely, then showers after 1am. Low around 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

Showers, with thunderstorms also possible after 11am. High near 79. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 90%.

Wednesday Night

Showers and possibly a thunderstorm before 2am, then showers likely. Low around 65. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 81. Calm wind. Chance of precipitation is 60%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm. Mostly cloudy, with a low around 62. Calm wind becoming northeast around 5 mph after midnight. Chance of precipitation is 60%.

Friday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms, then showers likely after 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

Saturday

Showers likely, with thunderstorms also possible after 8am. Mostly cloudy, with a high near 77. Chance of precipitation is 70%.

Saturday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.

Sunday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 77.

Sunday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.