Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

Hot temperatures are forecast over the Plains and into the lower Mississippi River Valley Friday where Heat Advisories have been issued. Heavy rain from a disturbance in the western Gulf could bring flooding to south Texas. Erin could bring tropical storm conditions and heavy rain to Puerto Rico and the USVI this weekend with dangerous surf and rip currents impacting the western Atlantic Basin. Read More >

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Last Map Update: Fri, Aug 15, 2025 at 12:27:03 am EDT

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

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Hazardous Weather Outlook

Weekend Forecast

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Afternoon showers and thunderstorms will be possible Friday through Sunday, but mostly in the Tennessee mountains, southern Tennessee valley, and western North Carolina. Temperatures will warm through the weekend as well as high pressure builds to our west. A return of the low 90s for most valley locations seems likely, with heat index values of 95 to 100 degrees expected.

A dry pattern sets up for most of the area through the weekend, with any showers isolated to the mountains. Above normal temperatures and muggy conditions return next week.

A dry pattern sets up for most of the area through the weekend, with any showers isolated to the mountains. Above normal temperatures and muggy conditions return next week.

A dry pattern sets up for most of the area through the weekend, with any showers isolated to the mountains. Above normal temperatures and muggy conditions return next week.

Current Weather Observations...

Location	Time (EDT)	Weather	Vsby. (SM)	Temp. (ºF)	Dewpt. (ºF)	Hum. (%)	Wind (mph)	Wind Chill / Heat Index (ºF)	Pres. (in)
Abingdon VA	00:15	Mist	6	69	68	94	NW 1	-	30.15
Andrews-Murphy NC	00:02	Clear	7	69	68	95	CALM	-	30.16
Chattanooga TN	23:53	Mostly Clear	10	79	73	82	CALM	-	30.07
Crossville TN	00:03	Mist	6	70	70	100	CALM	-	30.14
Dalton GA	00:15	Clear	7	76	76	100	CALM	-	30.06
Knoxville TN (McGhee-Tyson)	23:53	Mostly Clear	10	74	72	93	CALM	-	30.08
Middlesboro KY	00:15	Clear	10	72	71	94	CALM	-	30.12
Monroe Cnty TN	23:55	Clear	10	71	71	100	CALM	-	30.08
Morristown TN	10:30						VRB 5	-	30.10
Oak Ridge TN	00:11	Mist	2	71	71	100	CALM	-	30.10
Tazewell Cnty VA	00:15	Clear	10	69	67	93	CALM	-	30.19
Tri-Cities TN	23:53	Overcast	10	71	70	96	CALM	-	30.11
Wise VA	00:15	Clear	10	66	66	100	CALM	-	30.21
Greeneville, TN	23:55	Partly Cloudy	10	71	69	94	CALM	-	30.11

Local Weather History For August 14th...

In 2011, storms produced $3000 wind damage and quarter-size hail over the area.


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Heat in the Central U.S.; Heavy Rain Possible for South Texas; Monitoring Erin Tropical Impacts

NWS Morristown