Widespread Showers in the Eastern US; Severe Thunderstorms in the Plains; Heatwave in the Desert Southwest

Widespread showers and thunderstorms across much of the central and eastern U.S. will produce areas of excessive rainfall, especially in the southern Mid-Atlantic states. Scattered severe thunderstorms are expected from Montana into portions of the central/southern Plains this weekend. A heatwave will build in the Desert Southwest, in parts of Arizona, southeastern California, and southern Nevada. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

85°F

29°C

Humidity	55%
Wind Speed	SW 17 mph
Barometer	30.02 in (1015.2 mb)
Dewpoint	67°F (19°C)
Visibility	10.00 mi
Heat Index	88°F (31°C)
Last update	14 Jun 3:53 pm EDT

More Information:

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

Extended Forecast for

Maryville TN

This Afternoon
High: 85 °F
T-storms
Likely
Tonight
Low: 69 °F
T-storms
Likely
Sunday
High: 83 °F
Chance
T-storms then
T-storms
Sunday Night
Low: 70 °F
T-storms
Likely then
Chance
Showers
Monday
High: 84 °F
Chance
T-storms then
T-storms
Monday Night
Low: 70 °F
T-storms then
Chance
T-storms
Tuesday
High: 84 °F
Chance
T-storms then
T-storms
Tuesday Night
Low: 70 °F
T-storms then
Chance
T-storms
Wednesday
High: 87 °F
Chance
T-storms then
T-storms
Likely

Detailed Forecast

This Afternoon

Showers likely and possibly a thunderstorm before 5pm, then showers and thunderstorms likely after 5pm. Partly sunny, with a high near 85. Southwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 69. Southwest wind 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.

Sunday

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 5pm. High near 83. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Showers and thunderstorms likely before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Monday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 84. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%.

Monday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a chance of showers after 2am. Low around 70. South wind around 5 mph. Chance of precipitation is 80%.

Tuesday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 84. Southwest wind 5 to 10 mph. Chance of precipitation is 90%.

Tuesday Night

Showers and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms after 8pm. Low around 70. Chance of precipitation is 80%.

Wednesday

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

Wednesday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

Juneteenth

Showers and thunderstorms. High near 85. Chance of precipitation is 80%.

Thursday Night

Showers and thunderstorms. Low around 69. Chance of precipitation is 80%.

Friday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.