Heavy Rainfall and Severe Thunderstorms in the Midwest and Ohio Valley Tuesday

Multiple rounds of severe thunderstorms appear likely Tuesday across the Midwest and Ohio Valley, with severe wind gusts in excess of 75 mph as the primary threat. Heavy to excessive rainfall may lead to considerable flash and urban flooding impacts Tuesday across portions of the Ohio Valley. A Moderate Risk (level 3 of 4) of excessive rainfall has been issued. 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

77°F

25°C

Humidity	79%
Wind Speed	SW 7 mph
Barometer	30.13 in (1018.8 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	11 Aug 2:53 am EDT

More Information:

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

Extended Forecast for

4 Miles S Knoxville TN

Overnight
Low: 73 °F
Mostly Clear
Tuesday
High: 91 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 73 °F
Chance
Showers then
Chance
T-storms
Wednesday
High: 91 °F
Chance
Showers then
Chance
T-storms
Wednesday Night
Low: 74 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 92 °F
Partly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 75 °F
Slight Chance
T-storms
Friday
High: 92 °F
Chance
T-storms
Friday Night
Low: 74 °F
Chance
T-storms then
Partly Cloudy

Detailed Forecast

Overnight

Mostly clear, with a low around 73. Calm wind.

Tuesday

A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 91. Heat index values as high as 101. West wind around 5 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms, mainly after 2am. Partly cloudy, with a low around 73. Southwest wind around 5 mph becoming southeast after midnight.

Wednesday

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 102. Southwest wind 5 to 10 mph.

Wednesday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 74. Southwest wind around 5 mph. Chance of precipitation is 30%.

Thursday

A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny and hot, with a high near 92. Southwest wind around 5 mph.

Thursday Night

A 20 percent chance of showers and thunderstorms before 2am. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming calm.

Friday

A 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 92.

Friday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74.

Saturday

A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92.

Saturday Night

Partly cloudy, with a low around 74.