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.

Fair

79°F

26°C

Humidity	85%
Wind Speed	Calm
Barometer	30.10 in (1017.7 mb)
Dewpoint	74°F (23°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	1 Jul 1:53 am EDT

More Information:

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

Extended Forecast for

3 Miles W Friendsville TN

Heat Advisory July 1, 02:44am until July 3, 09:00pm

Click here for hazard details and duration

Heat Advisory

Heat Advisory July 1, 02:44am until July 3, 09:00pm
NOW until 9:00pm Fri
Heat Advisory
Overnight
Low: 75 °F
Mostly Clear
Wednesday
High: 94 °F
Patchy Fog
then Sunny
Wednesday Night
Low: 76 °F
Mostly Clear
then Patchy
Fog
Thursday
High: 95 °F
Patchy Fog
then Mostly
Sunny
Thursday Night
Low: 75 °F
Slight Chance
T-storms then
Partly Cloudy
Friday
High: 95 °F
Sunny then
Chance
T-storms
Friday Night
Low: 74 °F
Chance
T-storms then
Chance
Showers
Independence Day
High: 93 °F
Mostly Sunny
then Slight
Chance
T-storms

Detailed Forecast

Overnight

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

Wednesday

Patchy fog between 7am and 8am. Otherwise, sunny and hot, with a high near 94. Heat index values as high as 103. Calm wind.

Wednesday Night

Patchy fog after 5am. Otherwise, mostly clear, with a low around 76. Calm wind.

Thursday

Patchy fog between 7am and 8am. Otherwise, mostly sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming northeast around 5 mph.

Thursday Night

A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 75. Calm wind.

Friday

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

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 74. 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 93.

Saturday Night

A chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers. Partly cloudy, with a low around 75. Chance of precipitation is 30%.

Sunday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 40%.

Sunday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 74.

Monday

Showers and thunderstorms likely. Mostly sunny and hot, with a high near 90. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely. Partly cloudy, with a low around 74. Chance of precipitation is 60%.

Tuesday

Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.