Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

Monsoonal moisture will produce showers and thunderstorms with heavy rain over parts of the Southwest, Great Basin, and Central Rockies through Monday. Flash flooding is possible, especially in and around burn scars and in areas of steep terrain. Heat will persist across the Central U.S. early this week, spreading into the Ohio Valley and Mid-Atlantic later this week. Read More >

Click a location below for detailed forecast.

Last Map Update: Sat, Sep 5, 2026 at 9:16:29 am EDT

Watches, Warnings & Advisories

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

Heat Advisory

Special Weather Statement

Hazardous Weather Outlook

Heat Advisory Through Saturday Evening

Heat Wave This Week

Saturday Storm Threat

Daily Climate

A Heat Advisory covers most of the Tennessee Valley through Saturday evening. Drink plenty of water and limit outdoor activity or take breaks if possible.

A late season heat wave will peak this week, with temperatures soaring well into the 90s for most locations. Heat indices will climb into the 100s. Heat is one of the leading weather-related killers in the US! Take hot temperatures seriously, drink plenty of water, find A/C, and remember to look before you lock when exiting vehicles.

Isolated to scattered showers and storms are expected Saturday afternoon and evening. Some storms may bring strong to severe wind gusts and small hail. The primary threat is straight line damaging winds.

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	05:35	Clear	10	68	66	93	CALM	-	30.03
Andrews-Murphy NC	05:15	Mist	3	66	65	95	CALM	-	30.03
Chattanooga TN	04:53	Clear	10	77	73	87	CALM	-	29.95
Crossville TN	04:53	Clear	7	70	69	96	CALM	-	30.02
Dalton GA	05:35	Clear	10	74	74	100	CALM	-	29.96
Knoxville TN (McGhee-Tyson)	04:53	Clear	10	77	73	87	CALM	-	29.95
Middlesboro KY	05:35	Mostly Cloudy	10	70	70	99	CALM	-	30.00
Monroe Cnty TN	05:15	Mist	6	71	71	100	CALM	-	29.95
Morristown TN	05:15	Mostly Clear	10	73	73	100	CALM	-
Oak Ridge TN	04:53	Clear	10	73	70	90	CALM	-	29.97
Tazewell Cnty VA	04:55	Mist	3/4	65	65	99	CALM	-	30.06
Tri-Cities TN	04:53	Clear	8	68	68	100	CALM	-	29.99
Wise VA	05:35	Clear	10	68	68	100	CALM	-	30.07
Greeneville, TN	05:15	Overcast	10	71	69	94	CALM	-	29.98

Local Weather History For September 5th...

Storms hit in 2011 producing flooding over the areas and $10,000 in wind damage. 1 died.


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Heavy Rain and Flash Flooding in the West; Heat Expands in the Central U.S.

NWS Morristown