Heavy Rainfall and Severe Thunderstorm Threats for the Plains and Southeast

A frontal boundary extending from the western High Plains to the Southeast will focus additional showers and thunderstorms this weekend. Some of these storms may become severe, alongside frequent lightning, and isolated instances of flash flooding. Meanwhile dry conditions will continue for the Great Basin where fire weather concerns linger. For the mid-Atlantic and Northeast, seasonable weather. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

73°F

23°C

Humidity	76%
Wind Speed	N 12 mph
Barometer	30.15 in (1019.8 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	2 Aug 12:53 am EDT

More Information:

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

Extended Forecast for

Maryville TN

Overnight
Low: 69 °F
Mostly Cloudy
Saturday
High: 82 °F
Chance
T-storms then
T-storms
Saturday Night
Low: 69 °F
T-storms
Likely then
Showers
Likely
Sunday
High: 79 °F
Showers
Likely then
T-storms
Likely
Sunday Night
Low: 65 °F
T-storms
Likely then
Chance
Showers
Monday
High: 83 °F
Slight Chance
Showers then
Chance
T-storms
Monday Night
Low: 67 °F
Chance
T-storms
Tuesday
High: 80 °F
Showers
Likely
Tuesday Night
Low: 68 °F
Showers
Likely

Detailed Forecast

Overnight

Mostly cloudy, with a low around 69. Northeast wind around 5 mph.

Saturday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 82. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm after 8pm. Mostly cloudy, with a low around 69. North wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

Sunday

Showers likely and possibly a thunderstorm before 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 79. Northeast wind around 5 mph. Chance of precipitation is 70%.

Sunday Night

Showers and thunderstorms likely before 11pm, then a chance of showers. Mostly cloudy, with a low around 65. East wind around 5 mph becoming calm. Chance of precipitation is 60%.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly cloudy, with a high near 83. East wind around 5 mph becoming calm. Chance of precipitation is 40%.

Monday Night

A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Southeast wind around 5 mph becoming calm.

Tuesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly cloudy, with a high near 80. Chance of precipitation is 70%.

Tuesday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Wednesday

A chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 84. Chance of precipitation is 70%.

Wednesday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Thursday

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

Thursday Night

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

Friday

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