Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

Areas of gusty winds, heavy rain leading to flash flooding, and high surf continue across portions of Hawaii as Tropical Storm Lala continues to move away from the islands. Severe thunderstorm, heavy rainfall, and flash flooding threats continue from the Midwest to the Mid-Atlantic and across the central High Plains. Record heat continues for areas of the central/southern Plain into the Southeast Read More >

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Last Map Update: Thu, Aug 20, 2026 at 3:22:34 pm EDT

Watches, Warnings & Advisories

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

Hazardous Weather Outlook

Today

Tonight

Tomorrow

Rain chances return today, with several waves of showers and thunderstorms possible through tomorrow. Temperatures will be close to normal through the weekend.

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	Overcast	10	66	64	93	E 2	-	30.05
Andrews-Murphy NC	05:15	Clear	10	67	66	94	CALM	-	30.06
Chattanooga TN	04:53	Clear	10	75	71	87	CALM	-	29.97
Crossville TN	04:53	Overcast	10	71	66	84	CALM	-	30.04
Dalton GA	05:35	Mostly Clear	9	70	70	100	CALM	-	30.00
Knoxville TN (McGhee-Tyson)	04:53	Overcast	10	73	68	84	CALM	-	29.98
Middlesboro KY	05:35	Mostly Cloudy	10	68	68	98	CALM	-	30.00
Monroe Cnty TN	05:15		10	71	71	100	CALM	-	29.99
Morristown TN	05:35	Mostly Cloudy	8	68	68	100	CALM	-	30.00
Oak Ridge TN	04:53	Clear	10	73	70	90	CALM	-	30.00
Tazewell Cnty VA	04:55	Clear	10	66	62	84	CALM	-	30.08
Tri-Cities TN	04:53	Partly Cloudy	10	66	66	100	CALM	-	30.02
Wise VA	05:35	Overcast	10	66	66	100	SSW 3	-	30.08
Greeneville, TN	05:15		10	69	68	94	CALM	-	30.02

Local Weather History For August 20th...

Storms hit in 2014 for a 2 day period producing wind damage as well as quarter size hail.


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Lala Impacting Hawaii; Severe Thunderstorm and Flash Flooding Risks; Excessive Heat

NWS Morristown