Heat Wave Expands to the East Coast; Flash Flooding Likely in the Central Plains into the Midwest; Severe Thunderstorms in the Northeast

Dangerous, prolonged heat is ongoing in the Mid-South to Mid-Mississippi Valley and heat expands into the Northeast for a brief period today. Widely scattered instances of flash flooding due to heavy rains are forecast from northeast Kansas to much of Indiana. Scattered strong to severe thunderstorms are possible across parts of New England, northern Mid-Atlantic, and North Dakota. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Jul 25, 2025 at 8:12:46 pm EDT

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

Heat Advisory

Hazardous Weather Outlook

3 Day Outlook

Developing Heat Wave

Tonight

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Daily Climate

Smoky Mtn Observations

Drier conditions return to the Tennessee valley and southern Appalachians. Summer heat with heat indices from the mid 90s to near 100 degrees during the afternoon hours.

Developing Heat Wave through early next week. Afternoon heat indices will climb to 105+ degrees by early next week.

Hot and humid conditions continue into the weekend and through next week. Mostly dry conditions are expected, but a few isolated showers or thunderstorms will be possible each afternoon, mainly across the higher elevations.

Daily climate data (normals and records) for today for the sites plotted. The current normals period is 1991-2020.

Each observation point is apart of our COOP program (Cooperative Observer Program). Each site has a 24 hour observation period that ends and begins at 8 am local time. Each site records temperature, precipitation, and snowfall data. More information about the COOP program can be found here www.nws.noaa.gov/om/coop/ Data began being collected at: Cades Cover on 01/01/1999 || Mount LeConte on 07/01/1987 || Newfound Gap on 01/01/1991 || Sugarlands Visitor Center on 12/01/1921

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	19:55	Clear	10	84	71	65	NW 2	-	30.16
Andrews-Murphy NC	19:44	Clear	10	83	71	67	CALM	-	30.15
Chattanooga TN	19:53	Clear	10	91	69	48	SSE 6	96 [HI]	30.06
Crossville TN	19:53	Clear	10	81	71	71	VRB 3	-	30.14
Dalton GA	19:55	Partly Cloudy	10	87	72	61	S 6	93 [HI]	30.06
Knoxville TN (McGhee-Tyson)	19:53	Mostly Cloudy	10	89	70	53	CALM	94 [HI]	30.07
Middlesboro KY	19:55	Partly Cloudy	10	87	72	61	W 5	94 [HI]	30.10
Monroe Cnty TN	19:35	Clear	10	87	75	66	VRB 3	96 [HI]	30.07
Morristown TN	10:30						VRB 5	-	30.10
Oak Ridge TN	19:53	Mostly Clear	10	90	67	46	CALM	93 [HI]	30.09
Tazewell Cnty VA	19:55	Clear	10	80	65	60	CALM	-	30.21
Tri-Cities TN	19:53	Partly Cloudy	10	87	69	55	CALM	91 [HI]	30.11
Wise VA	19:55	Clear	10	78	71	78	CALM	-	30.21
Greeneville, TN	19:35	Clear	10	87	69	55	CALM	91 [HI]	30.11

Local Weather History For July 25th...

In 2012 storms hit the area producing wind damage and quarter size hail.


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