Heavy Rain in the Southern Appalachians; Heat Continues in the West; Monitoring Tropical Storm Erin

Heavy to excessive rain falling over the southern Appalachians may bring areas of flooding into Wednesday. Hot temperatures are in place through Wednesday across parts of the western U.S. and New England. Tropical Storm Erin is forecast to become a Hurricane by late this week as it moves westward across the central Atlantic Ocean. Monitor forecasts for any Puerto Rico or U.S. East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Overcast

75°F

24°C

Humidity	94%
Wind Speed	Calm
Barometer	30.00 in
Dewpoint	73°F (23°C)
Visibility	8.00 mi
Last update	13 Aug 4:55 am EDT

More Information:

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

Extended Forecast for

3 Miles ESE Karns TN

Flood Watch until August 13, 08:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until August 13, 08:00pm
NOW until 8:00pm Wed
Flood Watch
Overnight
Low: 72 °F
Showers
Likely
Wednesday
High: 84 °F
Showers
Likely and
Patchy Fog
then T-storms
Wednesday Night
Low: 71 °F
T-storms
Likely then
Chance
T-storms
Thursday
High: 86 °F
Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 89 °F
Mostly Sunny
Friday Night
Low: 71 °F
Partly Cloudy
Saturday
High: 90 °F
Hot

Detailed Forecast

Overnight

Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 72. 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.

Wednesday

Showers and thunderstorms likely before 3pm, then showers and possibly a thunderstorm between 3pm and 4pm, then showers and thunderstorms likely after 4pm. Patchy fog between 8am and 9am. High near 84. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Wednesday Night

Showers and thunderstorms likely before 3am, then a slight chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Calm wind. Chance of precipitation is 30%.

Thursday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind.

Friday

Mostly sunny, with a high near 89. Calm wind.

Friday Night

Partly cloudy, with a low around 71. Calm wind.

Saturday

Mostly sunny and hot, with a high near 90.

Saturday Night

Mostly clear, with a low around 71.

Sunday

Mostly sunny and hot, with a high near 91.