Thunderstorms and Widespread Rainfall Across the Southern Plains

Isolated severe thunderstorms and widespread showers may produce flash flooding across the Southern Plains through Thursday. Numerous instances of flash flooding are expected in south-central Texas, including portions of the Hill Country; and an additional area across eastern Oklahoma into the Ozarks on Thursday. Heavy rainfall and mountain snow will return to southern California on Thursday. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

51°F

11°C

Humidity	89%
Wind Speed	SW 3 mph
Barometer	30.15 in (1020.7 mb)
Dewpoint	48°F (9°C)
Visibility	9.00 mi
Last update	20 Nov 6:53 am EST

More Information:

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

Extended Forecast for

4 Miles NNE Louisville TN

Dense Fog Advisory until November 20, 09:00am

Click here for hazard details and duration

...

Dense Fog Advisory until November 20, 09:00am
NOW until 9:00am Thu
Dense Fog Advisory
Today
High: 70 °F
Areas Fog
then Chance
Showers
Tonight
Low: 60 °F
Showers and
Patchy Fog
then Showers
Likely and
Patchy Fog
Friday
High: 73 °F
Chance
Showers
Friday Night
Low: 61 °F
Showers
Saturday
High: 70 °F
Chance
Showers
Saturday Night
Low: 47 °F
Partly Cloudy
Sunday
High: 65 °F
Mostly Sunny
Sunday Night
Low: 44 °F
Partly Cloudy

Detailed Forecast

Today

A 30 percent chance of showers, mainly after 5pm. Areas of fog before 10am. Otherwise, mostly cloudy, with a high near 70. Calm wind.

Tonight

Showers and thunderstorms before 4am, then a chance of showers. Patchy fog between 8pm and 1am. Low around 60. Calm wind becoming northeast around 5 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

Friday

A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 73. Southwest wind 5 to 10 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday Night

Showers and possibly a thunderstorm before 10pm, then showers between 10pm and 4am, then showers and possibly a thunderstorm after 4am. Low around 61. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

Saturday

A chance of showers and thunderstorms. Partly sunny, with a high near 70. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Chance of precipitation is 40%.

Saturday Night

Partly cloudy, with a low around 47. North wind around 5 mph becoming calm in the evening.

Sunday

Mostly sunny, with a high near 65. Calm wind.

Sunday Night

Partly cloudy, with a low around 44.

Monday

A 20 percent chance of showers after 1pm. Partly sunny, with a high near 65.

Monday Night

A 40 percent chance of showers. Mostly cloudy, with a low around 52.

Tuesday

Showers likely. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.