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.

Mostly Cloudy

85°F

29°C

Humidity	59%
Wind Speed	Vrbl 7 mph
Barometer	30.02 in (1015.5 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	13 Jun 2:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles NNW Friendsville TN

This Afternoon
High: 84 °F
Chance
Showers
Tonight
Low: 69 °F
Showers
Likely
Saturday
High: 83 °F
Chance
Showers then
Showers
Likely
Saturday Night
Low: 69 °F
Showers
Sunday
High: 82 °F
Showers
Likely then
T-storms
Sunday Night
Low: 69 °F
T-storms then
Chance
Showers
Monday
High: 85 °F
Chance
Showers then
T-storms
Likely
Monday Night
Low: 70 °F
T-storms
Likely then
Chance
T-storms
Tuesday
High: 84 °F
Chance
Showers then
T-storms

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Partly sunny, with a high near 84. Southwest wind around 5 mph.

Tonight

Showers and thunderstorms likely, mainly before midnight. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 83. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Saturday Night

Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 69. Southwest wind around 5 mph. Chance of precipitation is 80%.

Sunday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 82. Southwest wind around 5 mph. Chance of precipitation is 90%.

Sunday Night

Showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Low around 69. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%.

Monday

A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 85. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. Chance of precipitation is 60%.

Tuesday

A slight chance of showers before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 84. Chance of precipitation is 80%.

Tuesday 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 71. Chance of precipitation is 80%.

Wednesday

Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 70%.

Wednesday Night

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

Juneteenth

Showers and thunderstorms likely. Partly sunny, with a high near 85. Chance of precipitation is 70%.