Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

68°F

20°C

Humidity	70%
Wind Speed	W 5 mph
Barometer	30.10 in (1018.6 mb)
Dewpoint	58°F (14°C)
Visibility	7.00 mi
Last update	20 Nov 12:53 pm EST

More Information:

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

Extended Forecast for

Knoxville, McGhee Tyson Airport TN

This Afternoon
High: 68 °F
Slight Chance
Showers
Tonight
Low: 60 °F
Showers
Likely
Friday
High: 72 °F
Chance
Showers
Friday Night
Low: 59 °F
Showers
Likely then
Showers
Saturday
High: 69 °F
Chance
Showers
Saturday Night
Low: 45 °F
Mostly Cloudy
Sunday
High: 64 °F
Sunny
Sunday Night
Low: 42 °F
Mostly Clear
Monday
High: 65 °F
Partly Sunny

Detailed Forecast

This Afternoon

A 10 percent chance of showers after 5pm. Mostly cloudy, with a high near 68. West wind around 5 mph.

Tonight

Showers likely, mainly before 2am. Cloudy, with a low around 60. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 70%. New precipitation amounts between a half and three quarters of an inch possible.

Friday

A chance of showers and thunderstorms. Mostly cloudy, with a high near 72. Southwest wind 5 to 10 mph, with gusts as high as 20 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 likely and possibly a thunderstorm before 1am, then showers between 1am and 4am, then showers and possibly a thunderstorm after 4am. Low around 59. Southwest wind around 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 69. Southwest wind around 10 mph becoming northwest in the afternoon. Chance of precipitation is 50%.

Saturday Night

Mostly cloudy, with a low around 45. North wind 5 to 10 mph.

Sunday

Sunny, with a high near 64. Northeast wind around 5 mph.

Sunday Night

Mostly clear, with a low around 42.

Monday

Partly sunny, with a high near 65.

Monday Night

A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 49.

Tuesday

Showers. High near 64. Chance of precipitation is 80%.