Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Dense Fog Advisory in effect from August 10, 04:11 AM EDT until August 10, 10:00 AM EDT

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fog

70°F

21°C

Humidity	100%
Wind Speed	Calm
Barometer	30.13 in (1019.3 mb)
Dewpoint	70°F (21°C)
Visibility	0.25 mi
Last update	10 Aug 5:53 am EDT

More Information:

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

Extended Forecast for

5 Miles S Karns TN

Dense Fog Advisory until August 10, 10:00am

Click here for hazard details and duration

...

Dense Fog Advisory until August 10, 10:00am
NOW until 10:00am Mon
Dense Fog Advisory
Today
High: 91 °F
Hot
Tonight
Low: 73 °F
Mostly Clear
Tuesday
High: 93 °F
Sunny then
Chance
T-storms
Tuesday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 91 °F
Showers
Likely
Wednesday Night
Low: 73 °F
Chance
T-storms
Thursday
High: 92 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 74 °F
Chance
T-storms

Detailed Forecast

Today

Mostly sunny and hot, with a high near 91. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the morning.

Tonight

Mostly clear, with a low around 73. Southwest wind around 5 mph becoming calm in the evening.

Tuesday

A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93. Heat index values as high as 103. Southwest wind around 5 mph.

Tuesday Night

A chance of showers and thunderstorms before 2am, then a chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 40%.

Wednesday

Showers likely and possibly a thunderstorm. Mostly sunny and hot, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 60%.

Wednesday Night

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

Thursday

A 40 percent chance of showers and thunderstorms, mainly after 8am. Partly sunny and hot, with a high near 92. Southwest wind around 5 mph.

Thursday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

Friday

A slight chance of showers, then a chance of showers and thunderstorms after 8am. Partly sunny and hot, with a high near 92. Chance of precipitation is 40%.

Friday Night

A chance of thunderstorms before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 30%.

Saturday

A 30 percent chance of showers and thunderstorms. Partly sunny and hot, with a high near 92.

Saturday Night

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

Sunday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 93.