Heavy Rain in the Southern Appalachians; Fire Weather and Heat in the West; Monitoring Tropical Storm Erin

Heavy to excessive rainfall over the southern Appalachians may bring areas of flooding today. Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin and northern Rockies today and Thursday. Hot to extremely hot temperatures are in place through today across parts of the western U.S. 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	100%
Wind Speed	Calm
Barometer	30.02 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Last update	13 Aug 7:55 am EDT

More Information:

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

Extended Forecast for

6 Miles WSW Mascot 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
Today
High: 86 °F
Showers
Likely and
Patchy Fog
then T-storms
Tonight
Low: 71 °F
T-storms
Likely
Thursday
High: 88 °F
Slight Chance
T-storms then
Chance
T-storms
Thursday Night
Low: 71 °F
Chance
T-storms then
Partly Cloudy
Friday
High: 92 °F
Partly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 71 °F
Slight Chance
T-storms then
Partly Cloudy
Saturday
High: 93 °F
Hot
Saturday Night
Low: 71 °F
Mostly Clear

Detailed Forecast

Today

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 before 9am. High near 86. Southwest wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

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 between a tenth and quarter 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 88. Heat index values as high as 96. Calm wind. Chance of precipitation is 40%.

Thursday Night

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

Friday

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

Friday Night

A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71. Calm wind.

Saturday

Mostly sunny and hot, with a high near 93. Calm wind.

Saturday Night

Mostly clear, with a low around 71.

Sunday

Mostly sunny and hot, with a high near 93.