Dangerous Heat in the Central U.S. and Northeast; Heavy Rainfall Across the Gulf Coast

A significant heat wave is underway for the Intermountain West, Northern Plains, and Upper Great Lakes, peaking in intensity through Tuesday. This heat is expected to be exceptionally rare and produce numerous high temperature records. Showers and thunderstorms with the potential to produce heavy rainfall and flash flooding is expected across the Gulf Coast. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Thunderstorm Rain

74°F

23°C

Humidity	91%
Wind Speed	SE 5 mph
Barometer	30.10 in (1018.3 mb)
Dewpoint	71°F (22°C)
Visibility	7.00 mi
Last update	13 Jul 12:53 pm EDT

More Information:

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

Extended Forecast for

2 Miles SE Knoxville TN

Flood Watch July 13, 01:54pm until July 13, 08:00pm

Flood Advisory until July 13, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Advisory

Flood Watch July 13, 01:54pm until July 13, 08:00pm
Flood Advisory until July 13, 04:00pm
NOW: Multiple hazards in effect
Click HERE for Details
This Afternoon
High: 83 °F
T-storms
Tonight
Low: 68 °F
T-storms
Likely then
Patchy Fog
Tuesday
High: 86 °F
Patchy Fog
then Chance
T-storms
Tuesday Night
Low: 69 °F
Chance
T-storms then
Patchy Fog
Wednesday
High: 89 °F
Patchy Fog
then Sunny
Wednesday Night
Low: 71 °F
Mostly Clear
Thursday
High: 91 °F
Hot
Thursday Night
Low: 73 °F
Mostly Clear

Detailed Forecast

This Afternoon

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4pm. High near 83. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms likely, mainly before 8pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 68. Northeast wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tuesday

A 30 percent chance of showers and thunderstorms, mainly after 4pm. Patchy fog before 7am. Otherwise, mostly sunny, with a high near 86. Northeast wind around 5 mph.

Tuesday Night

A 30 percent chance of showers and thunderstorms before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 69. Calm wind.

Wednesday

Patchy fog before 9am. Otherwise, mostly sunny, with a high near 89. Calm wind.

Wednesday Night

Mostly clear, with a low around 71. Calm wind.

Thursday

Sunny and hot, with a high near 91. Calm wind.

Thursday Night

Mostly clear, with a low around 73.

Friday

A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.