Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

Strong to severe thunderstorms and heavy rain will impact portions of the central Plains into the Upper Midwest and the Mid-Atlantic through the weekend. A stretch of unusually hot and humid weather is expected across portions of the central U.S. and the Southeast beginning this weekend and continuing through next week. The heat may reach dangerous levels, particularly mid to late next week. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Jul 18, 2025 at 11:34:39 pm EDT

Watches, Warnings & Advisories

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

Flash Flood Warning

Flood Watch

Hazardous Weather Outlook

Flooding Threat Today

Strong to Severe Storms

Tonight

Tomorrow

Daily Climate

Additional rounds of showers and thunderstorms are expected again this afternoon through roughly midnight. Portions of our Virginia far northeast Tennessee counties saw significant rainfall yesterday evening and overnight. With additional thunderstorm activity, and the potential for more heavy rains, expected over these same areas this afternoon and evening, a Flood Watch continues through this evening. Remember, Turn Around Don't Drown.

A typical summer pattern will continue through the weekend and next week, with hot and muggy afternoons and evenings. Scattered to numerous storms will continue each afternoon and evening. Highs in the 90s and heat index values near or above 100 can be expected in the Tennessee Valley.

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

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	23:15	Lightning Observed	10	73	71	94	CALM	-	30.22
Andrews-Murphy NC	23:05	Overcast	10	71	70	94	CALM	-	30.26
Chattanooga TN	22:53	Mostly Clear	10	80	71	74	S 6	-	30.16
Crossville TN	22:53	Mostly Cloudy	10	74	73	97	CALM	-	30.21
Dalton GA	23:15	Mostly Cloudy	10	75	75	100	CALM	-	30.16
Knoxville TN (McGhee-Tyson)	22:53	Cumulonimbus Clouds, Lightning Observed	10	81	71	71	SW 13	-	30.15
Middlesboro KY	23:15	Clear	10	75	73	91	CALM	-	30.16
Monroe Cnty TN	22:55	Partly Cloudy	10	78	75	88	SSW 7	-	30.17
Morristown TN	10:30						VRB 5	-	30.10
Oak Ridge TN	22:53	Partly Cloudy	10	82	72	71	CALM	-	30.16
Tazewell Cnty VA	23:15	Fog \ Lightning Observed	less than 1/4	70	70	100	CALM	-	30.25
Tri-Cities TN	22:53	Thunder \ Cumulonimbus Clouds, Lightning Observed	10	77	74	90	CALM	-	30.20
Wise VA	23:15	Lightning Observed	10	68	68	100	CALM	-	30.26
Greeneville, TN	22:55	Overcast	9	71	69	94	ESE 3	-	30.20

Local Weather History For July 18th...

In 2012 storms hit for 4 consecutive days with damaging winds, large hail and flooding.


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Heavy Rain From the Central Plains to the Mid-Atlantic; Heat Wave Begins This Weekend

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