Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. 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

88°F

31°C

Humidity	54%
Wind Speed	SW 12 mph
Barometer	30.08 in (1017.5 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Heat Index	93°F (34°C)
Last update	18 Jul 6:53 pm EDT

More Information:

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

Extended Forecast for

Maryville TN

Tonight
Low: 73 °F
Chance
T-storms then
Slight Chance
Showers
Saturday
High: 88 °F
Chance
Showers then
Showers
Likely
Saturday Night
Low: 73 °F
Showers
Likely
Sunday
High: 91 °F
Slight Chance
T-storms then
T-storms
Likely
Sunday Night
Low: 74 °F
T-storms
Likely then
Chance
Showers
Monday
High: 91 °F
Slight Chance
T-storms then
T-storms
Likely
Monday Night
Low: 73 °F
T-storms
Likely then
Slight Chance
T-storms
Tuesday
High: 93 °F
Slight Chance
T-storms then
Chance
T-storms
Tuesday Night
Low: 73 °F
Chance
T-storms

Detailed Forecast

Tonight

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 3am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3pm. Mostly sunny, with a high near 88. Heat index values as high as 95. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Saturday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 73. 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.

Sunday

A slight chance of showers, then showers and thunderstorms likely after 11am. Partly sunny and hot, with a high near 91. Heat index values as high as 100. West wind around 5 mph. Chance of precipitation is 60%.

Sunday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

Monday

Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 91. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.

Monday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 73. North wind around 5 mph becoming calm. Chance of precipitation is 60%.

Tuesday

A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 93.

Tuesday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 73.

Wednesday

A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93.

Wednesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

Thursday

A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 94.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.