Heavy Rainfall and Flooding Threats in the Midwest and Ohio Valley; Heat Continues in the Plains and Southeast

An active pattern will continue to bring heavy to excessive rainfall and flash flooding threats to the Midwest and Ohio Valley over the next couple of days. Dangerous heat continues across the central/southern Plains and Southeast U.S. into next week. There is potential for record-tying/breaking temperatures with many areas forecast to see their hottest temperatures so far this year. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

75°F

24°C

Humidity	94%
Wind Speed	N 5 mph
Barometer	30.04 in (1015.8 mb)
Dewpoint	73°F (23°C)
Visibility	10.00 mi
Last update	14 Aug 3:53 am EDT

More Information:

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

Extended Forecast for

4 Miles SSE Maryville TN

Today
High: 93 °F
Mostly Sunny
then Chance
T-storms
Tonight
Low: 75 °F
Chance
T-storms then
Mostly Cloudy
Saturday
High: 94 °F
Chance
Showers then
Slight Chance
T-storms
Saturday Night
Low: 75 °F
Chance
T-storms then
Mostly Clear
Sunday
High: 96 °F
Hot
Sunday Night
Low: 76 °F
Mostly Clear
Monday
High: 96 °F
Sunny then
Chance
T-storms
Monday Night
Low: 74 °F
Chance
T-storms
Tuesday
High: 91 °F
Slight Chance
T-storms

Detailed Forecast

Today

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 5 mph in the afternoon.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm in the evening.

Saturday

A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 107. Calm wind becoming west around 5 mph. Chance of precipitation is 30%.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly between 7pm and 8pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 75. Calm wind.

Sunday

Sunny and hot, with a high near 96. Calm wind becoming west around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 76. South wind around 5 mph.

Monday

A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 96. South wind 5 to 10 mph becoming west in the afternoon.

Monday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 40%.

Tuesday

A slight chance of showers, with thunderstorms also possible after 8am. Mostly sunny and hot, with a high near 91. Chance of precipitation is 20%.

Tuesday Night

Partly cloudy, with a low around 71.

Wednesday

Sunny and hot, with a high near 92.

Wednesday Night

Partly cloudy, with a low around 73.

Thursday

A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.