Heat Persists in the Southwest; Elevated to Critical Fire Weather in the Great Basin; Poor Air Quality in the West

Dangerous heat will persist across the Southwest U.S. through this week, easing by next week. The heat will focus further east in the Great Plains and Mississippi Valley beginning next week. Elevated to locally critical fire weather conditions will persist for the Great Basin today. Poor air quality lingers for the Northwest, Great Basin, Central Rockies into the Plains. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Thunderstorm

87°F

31°C

Humidity	51%
Wind Speed	E 7 mph
Barometer	29.97 in (1013.7 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	4 Aug 4:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles SSW Seymour TN

This Afternoon
High: 88 °F
Chance
T-storms
Tonight
Low: 70 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 85 °F
Slight Chance
T-storms then
T-storms
Likely
Wednesday Night
Low: 70 °F
T-storms
Likely then
Partly Cloudy
Thursday
High: 86 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 70 °F
Showers
Likely then
Partly Cloudy
Friday
High: 87 °F
Mostly Sunny
then Showers
Likely
Friday Night
Low: 70 °F
Showers
Likely then
Slight Chance
T-storms
Saturday
High: 87 °F
Chance
T-storms then
T-storms
Likely

Detailed Forecast

This Afternoon

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88. South wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 9pm. Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm.

Wednesday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 85. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

Showers and thunderstorms likely, mainly before 7pm. Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm. Chance of precipitation is 60%.

Thursday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

Thursday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 70. South wind around 5 mph becoming calm. Chance of precipitation is 60%.

Friday

Showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 70. Chance of precipitation is 60%.

Saturday

Showers and thunderstorms likely, mainly after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 70%.

Saturday Night

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

Sunday

A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Sunday Night

A chance of thunderstorms. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Monday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Monday Night

A chance of thunderstorms. Partly cloudy, with a low around 73. Chance of precipitation is 30%.