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

Greeneville-Greene County Municipal Airport (KGCY)

Lat: 36.2°NLon: 82.81°WElev: 1608ft.

Fair

77°F

25°C

Humidity	83%
Wind Speed	Calm
Barometer	30.14 in
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	78°F (26°C)
Last update	1 Jul 2:15 am EDT

More Information:

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

Extended Forecast for

Greeneville 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: 70 °F
Mostly Clear
Wednesday
High: 92 °F
Patchy Fog
then Sunny
Wednesday Night
Low: 71 °F
Partly Cloudy
Thursday
High: 94 °F
Patchy Fog
then Mostly
Sunny
Thursday Night
Low: 72 °F
Mostly Clear
Friday
High: 95 °F
Sunny then
Slight Chance
T-storms
Friday Night
Low: 70 °F
Slight Chance
T-storms then
Slight Chance
Showers
Independence Day
High: 93 °F
Sunny then
Slight Chance
T-storms

Detailed Forecast

Overnight

Mostly clear, with a low around 70. Calm wind.

Wednesday

Patchy fog between 7am and 8am. Otherwise, sunny and hot, with a high near 92. Heat index values as high as 97. Calm wind becoming north around 5 mph.

Wednesday Night

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

Thursday

Patchy fog before 7am. Otherwise, sunny and hot, with a high near 94. Heat index values as high as 98. Calm wind becoming north around 5 mph in the afternoon.

Thursday Night

Mostly clear, with a low around 72. Calm wind.

Friday

A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 95. Calm wind becoming north around 5 mph.

Friday Night

A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm. Chance of precipitation is 20%.

Independence Day

A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 93.

Saturday Night

A slight chance of showers and thunderstorms. Partly cloudy, with a low around 71. Chance of precipitation is 20%.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 91. Chance of precipitation is 50%.

Sunday Night

A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 70.

Monday

Showers and thunderstorms. High near 89. Chance of precipitation is 80%.

Monday Night

Showers and thunderstorms. Low around 70. Chance of precipitation is 80%.

Tuesday

Showers and thunderstorms likely. Partly sunny, with a high near 86. Chance of precipitation is 70%.