Areas of Excessive Rainfall and Severe Thunderstorms Friday

Heavy thunderstorms may bring areas of excessive rainfall and locally considerable flooding over parts of the Ozarks into the lower-Mississippi River Valley Friday and Saturday. Scattered severe thunderstorms may occur Friday from Montana into the central Plains, with hail and corridors of damaging winds possible. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fog/Mist

68°F

20°C

Humidity	100%
Wind Speed	Calm
Barometer	30.08 in (1017.7 mb)
Dewpoint	68°F (20°C)
Visibility	0.75 mi
Last update	13 Jun 6:53 am EDT

More Information:

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

Extended Forecast for

Knoxville, McGhee Tyson Airport TN

Today
High: 86 °F
Slight Chance
T-storms and
Patchy Fog
then T-storms
Likely
Tonight
Low: 70 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 85 °F
Chance
T-storms then
T-storms
Saturday Night
Low: 70 °F
T-storms then
Showers
Likely
Sunday
High: 82 °F
Showers
Likely then
T-storms
Sunday Night
Low: 69 °F
T-storms then
Chance
Showers
Monday
High: 84 °F
Chance
Showers then
T-storms
Likely
Monday Night
Low: 70 °F
T-storms
Likely
Tuesday
High: 86 °F
Chance
T-storms then
T-storms

Detailed Forecast

Today

Showers and thunderstorms likely, mainly after 5pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm.

Saturday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 85. Southwest wind 5 to 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Low around 70. Southwest wind around 5 mph. Chance of precipitation is 80%.

Sunday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 82. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.

Sunday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Low around 69. Southwest wind around 5 mph. Chance of precipitation is 80%.

Monday

A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly cloudy, with a high near 84. Southwest wind around 5 mph. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Tuesday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 86. Chance of precipitation is 80%.

Tuesday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 71. Chance of precipitation is 80%.

Wednesday

Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.

Wednesday Night

Showers and thunderstorms likely. Partly cloudy, with a low around 72. Chance of precipitation is 60%.

Juneteenth

Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.