Severe Thunderstorms and Heavy Rain in the Central Plains to Upper Midwest; Extreme Heat in Parts of the South

Thunderstorms with severe wind gusts and hail will be possible today across parts of the central Plains, and from the Missouri Valley into the upper Mississippi Valley. Heavy rain associated with the thunderstorms may also produce flash/urban flooding. Critical fire weather conditions expected in the Great Basin and interior Northwest. Dangerous heat continues across the Southwest and Southeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

72°F

22°C

Humidity	91%
Wind Speed	SW 7 mph
Barometer	30.06 in (1016.8 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	8 Jul 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: 89 °F
Partly Sunny
then Chance
T-storms
Tonight
Low: 71 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 88 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 72 °F
Chance
Showers
Friday
High: 88 °F
Showers
Likely then
T-storms
Friday Night
Low: 72 °F
T-storms then
Showers
Likely
Saturday
High: 86 °F
Showers then
T-storms
Saturday Night
Low: 71 °F
T-storms
Likely then
Showers
Likely
Sunday
High: 86 °F
Showers
Likely then
T-storms
Likely

Detailed Forecast

Today

A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Light southwest wind becoming west 5 to 10 mph in the morning.

Tonight

A chance of showers and thunderstorms before 3am, then a chance of showers after 4am. Partly cloudy, with a low around 71. Southwest wind around 5 mph. Chance of precipitation is 40%.

Thursday

Showers and thunderstorms likely, mainly before 3pm. Mostly sunny, with a high near 88. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

A chance of showers and thunderstorms. Partly cloudy, with a low around 72. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

Friday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 88. Southwest wind around 10 mph. Chance of precipitation is 80%.

Friday Night

Showers and possibly a thunderstorm. Low around 72. Southwest wind around 10 mph. Chance of precipitation is 80%.

Saturday

Showers and possibly a thunderstorm. High near 86. Southwest wind around 10 mph. Chance of precipitation is 90%.

Saturday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Sunday

A chance of showers before 8am, then showers likely and possibly a thunderstorm between 8am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 86. Chance of precipitation is 70%.

Sunday Night

Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Monday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Monday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

Tuesday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.