Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

77°F

25°C

Humidity	90%
Wind Speed	Calm
Barometer	30.09 in (1017.7 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	1 Jul 2:53 am EDT

More Information:

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

Extended Forecast for

Rockford TN

Heat Advisory July 1, 03:01am until July 3, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 1, 03:01am until July 3, 09:00pm
NOW until 9:00pm Fri
Heat Advisory
Overnight
Low: 74 °F
Mostly Clear
Wednesday
High: 95 °F
Hot
Wednesday Night
Low: 75 °F
Mostly Clear
Thursday
High: 96 °F
Mostly Sunny
then Slight
Chance
T-storms
Thursday Night
Low: 74 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 95 °F
Sunny then
Chance
T-storms
Friday Night
Low: 73 °F
Chance
T-storms then
Chance
Showers
Independence Day
High: 94 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Overnight

Mostly clear, with a low around 74. Calm wind.

Wednesday

Sunny and hot, with a high near 95. Heat index values as high as 103. Calm wind becoming northeast around 5 mph.

Wednesday Night

Mostly clear, with a low around 75. Calm wind.

Thursday

A slight chance of showers and thunderstorms between 4pm and 5pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 104. Calm wind becoming northeast around 5 mph in the afternoon. Chance of precipitation is 10%.

Thursday Night

A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 74. Calm wind.

Friday

A 30 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Calm wind becoming northeast around 5 mph.

Friday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 73. Calm wind. Chance of precipitation is 30%.

Independence Day

A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 94.

Saturday Night

A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 74. Chance of precipitation is 30%.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 93. Chance of precipitation is 40%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.

Monday

Showers and thunderstorms likely. Mostly sunny and hot, with a high near 91. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 73. Chance of precipitation is 60%.

Tuesday

Showers and thunderstorms likely. Partly sunny, with a high near 89. Chance of precipitation is 70%.