Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

76°F

24°C

Humidity	47%
Wind Speed	SW 13 mph
Barometer	29.95 in (1013.4 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	21 Mar 12:53 pm EDT

More Information:

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

Extended Forecast for

Maryville TN

This Afternoon
High: 80 °F
Slight Chance
T-storms
Tonight
Low: 60 °F
Chance
T-storms
Sunday
High: 84 °F
Sunny
Sunday Night
Low: 58 °F
Partly Cloudy
then Slight
Chance
Showers
Monday
High: 68 °F
Slight Chance
Showers then
Mostly Sunny
Monday Night
Low: 43 °F
Partly Cloudy
Tuesday
High: 68 °F
Partly Sunny
Tuesday Night
Low: 48 °F
Chance
Showers
Wednesday
High: 66 °F
Chance
Showers

Detailed Forecast

This Afternoon

A 10 percent chance of showers and thunderstorms after 4pm. Areas of smoke. Mostly sunny, with a high near 80. Southwest wind around 10 mph.

Tonight

A 40 percent chance of showers and thunderstorms, mainly before 11pm. Areas of smoke before 1am. Partly cloudy, with a low around 60. Southwest wind around 5 mph.

Sunday

Sunny, with a high near 84. Southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Sunday Night

A 20 percent chance of showers after 2am. Increasing clouds, with a low around 58. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

Monday

A 10 percent chance of showers before 8am. Partly sunny, with a high near 68. Northwest wind around 10 mph becoming north in the afternoon. Winds could gust as high as 20 mph.

Monday Night

Partly cloudy, with a low around 43. Northeast wind 5 to 10 mph.

Tuesday

Partly sunny, with a high near 68. Northeast wind around 5 mph becoming calm in the morning.

Tuesday Night

A 30 percent chance of showers, mainly after 2am. Mostly cloudy, with a low around 48.

Wednesday

A 30 percent chance of showers, mainly before 2pm. Mostly cloudy, with a high near 66.

Wednesday Night

A 20 percent chance of showers. Mostly cloudy, with a low around 50.

Thursday

A 20 percent chance of showers. Partly sunny, with a high near 76.