Extreme Heat Lingers; Severe Thunderstorms for Portions of the Plains and Southeast; Heavy Rainfall Threats

Gusty winds and heavy rainfall may impact the Big Island of Hawaii as a nearby tropical system passes west of the islands. From the Southwest U.S., Rockies and across the Gulf Coast, heavy rainfall could lead to isolated flash flooding. Severe thunderstorms are expected for areas of the Plains, Gulf Coast and Southeast through Tuesday. Extreme heat lingers for the southern Plains and Southwest. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

85°F

29°C

Humidity	37%
Wind Speed	NE 6 mph
Barometer	30.02 in (1015.5 mb)
Dewpoint	56°F (13°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	24 Aug 4:53 pm EDT

More Information:

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

Extended Forecast for

Maryville TN

Tonight
Low: 61 °F
Increasing
Clouds
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 91 °F
Hot
Wednesday Night
Low: 70 °F
Chance
Showers
Thursday
High: 89 °F
Chance
Showers then
Showers
Likely
Thursday Night
Low: 68 °F
Showers
Likely then
Chance
T-storms
Friday
High: 89 °F
Chance
T-storms
Friday Night
Low: 67 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Tonight

Increasing clouds, with a low around 61. North wind around 5 mph becoming calm in the evening.

Tuesday

Sunny, with a high near 89. Northeast wind around 5 mph becoming west in the afternoon.

Tuesday Night

Mostly clear, with a low around 66. Northeast wind around 5 mph becoming calm.

Wednesday

Mostly sunny and hot, with a high near 91. Calm wind becoming west around 5 mph in the afternoon.

Wednesday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm. Chance of precipitation is 40%.

Thursday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 89. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

Thursday Night

Showers likely 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. Mostly cloudy, with a low around 68. South wind around 5 mph becoming calm. Chance of precipitation is 60%.

Friday

A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny, with a high near 89. Chance of precipitation is 30%.

Friday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 67.

Saturday

Mostly sunny and hot, with a high near 90.

Saturday Night

Partly cloudy, with a low around 68.

Sunday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 91.

Sunday Night

A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.