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 >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

73°F

23°C

Humidity	84%
Wind Speed	NE 6 mph
Barometer	29.98 in (1014.0 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	4 Aug 7:53 am EDT

More Information:

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

Extended Forecast for

5 Miles SSW Mascot TN

Today
High: 88 °F
Sunny then
Chance
T-storms
Tonight
Low: 70 °F
Chance
T-storms then
Partly Cloudy
Wednesday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 70 °F
Chance
T-storms then
Slight Chance
Showers
Thursday
High: 88 °F
Slight Chance
T-storms then
Chance
T-storms
Thursday Night
Low: 70 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 88 °F
Mostly Sunny
then Chance
T-storms
Friday Night
Low: 70 °F
Chance
T-storms then
Partly Cloudy
Saturday
High: 88 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 88. Calm wind.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Mostly cloudy, with a low around 70. Calm wind.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88. Calm wind. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 30%.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.

Thursday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70. Calm wind.

Friday

A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 88. Calm wind becoming southwest around 5 mph in the afternoon.

Friday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.

Saturday

A 50 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 71.

Sunday

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

Sunday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

Monday

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