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	59%
Wind Speed	SW 17 G 25 mph
Barometer	30.02 in (1015.2 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	15 Jun 3:53 pm EDT

More Information:

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

Extended Forecast for

3 Miles NNE Tallassee TN

This Afternoon
High: 79 °F
T-storms
Likely
Tonight
Low: 69 °F
Chance
T-storms
Monday
High: 81 °F
Chance
T-storms then
T-storms
Monday Night
Low: 69 °F
T-storms
Likely then
Showers
Likely
Tuesday
High: 80 °F
Showers
Likely then
T-storms
Tuesday Night
Low: 70 °F
T-storms then
Chance
Showers
Wednesday
High: 83 °F
Chance
T-storms then
T-storms
Likely
Wednesday Night
Low: 71 °F
T-storms
Likely then
Chance
Showers
Juneteenth
High: 81 °F
Chance
Showers then
T-storms

Detailed Forecast

This Afternoon

Showers and thunderstorms likely. Partly sunny, with a high near 79. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 1am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 40%.

Monday

A chance of showers and thunderstorms before 2pm, then showers and possibly a thunderstorm between 2pm and 3pm, then showers and thunderstorms likely after 3pm. High near 81. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

Showers and thunderstorms likely before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. South wind around 5 mph. Chance of precipitation is 60%.

Tuesday

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 8am. High near 80. Southwest wind 5 to 10 mph, with gusts as high as 20 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. South wind 5 to 10 mph. Chance of precipitation is 80%.

Wednesday

A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 83. Southwest wind 5 to 10 mph. 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

A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.

Thursday Night

Showers 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. Low around 68. Chance of precipitation is 80%.

Friday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.

Friday Night

A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 66.

Saturday

A 30 percent chance of showers and thunderstorms. Sunny, with a high near 86.

Saturday Night

A 30 percent chance of showers and thunderstorms. Mostly clear, with a low around 70.

Sunday

A chance of showers and thunderstorms. Sunny, with a high near 87.