Watching Hurricane Erin; Heavy Rainfall Threat for Upper Midwest; Heatrisk for Mississippi Valley

Hurricane Erin continues to track westward with its outer bands bringing heavy rainfall and gusty winds for Puerto Rico and US Virgin Islands. Life-threatening surf and rip currents are occurring and will spread across the Atlantic coasts this week. Meanwhile, heavy rainfall and possible flooding are in the forecast for upper Midwest through Monday. Heatrisk continues for the Mississippi Valley. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

73°F

23°C

Humidity	90%
Wind Speed	NE 3 mph
Barometer	30.01 in (1014.9 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	18 Aug 3:53 am EDT

More Information:

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

Extended Forecast for

4 Miles N Louisville TN

Today
High: 92 °F
Hot
Tonight
Low: 71 °F
Mostly Clear
Tuesday
High: 92 °F
Sunny then
Slight Chance
T-storms
Tuesday Night
Low: 72 °F
Slight Chance
T-storms then
Mostly Clear
Wednesday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Wednesday Night
Low: 71 °F
Chance
T-storms then
Partly Cloudy
Thursday
High: 89 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 70 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 88 °F
Partly Sunny
then Chance
T-storms

Detailed Forecast

Today

Sunny and hot, with a high near 92. Heat index values as high as 97. Calm wind becoming north around 5 mph in the afternoon.

Tonight

Mostly clear, with a low around 71. North wind around 5 mph becoming calm in the evening.

Tuesday

A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind.

Tuesday Night

A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. Calm wind.

Wednesday

A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Calm wind becoming northwest around 5 mph.

Wednesday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Northeast wind around 5 mph becoming calm.

Thursday

A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.

Thursday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 70.

Friday

A 30 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 88.

Friday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 70. Chance of precipitation is 30%.

Saturday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 86.

Saturday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 69.

Sunday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.