Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

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Last Map Update: Wed, Aug 19, 2026 at 3:18:27 am EDT

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

Hazardous Weather Outlook

5 Day Outlook

Today

Tonight

Tomorrow

Heading into the rest of the week, expect a transition from mostly sunny skies to scattered storms before conditions clear up for the second half of the weekend. Temperatures remain seasonable.

Dry weather and near normal temperatures will continue today. Rain chances return tomorrow, with showers and thunderstorms expected.

Dry weather and near normal temperatures will continue today. Rain chances return tomorrow, with showers and thunderstorms expected.

Dry weather and near normal temperatures will continue today. Rain chances return tomorrow, with showers and thunderstorms expected.

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	02:55	Clear	8	66	66	100	CALM	-	30.05
Andrews-Murphy NC	02:35	Mist	5	64	63	95	CALM	-	30.06
Chattanooga TN	02:53	Clear	10	72	69	90	WSW 3	-	29.99
Crossville TN	02:53	Clear	10	63	62	96	W 3	-	30.06
Dalton GA	02:55	Clear	10	70	70	100	CALM	-	29.99
Knoxville TN (McGhee-Tyson)	02:53	Clear	10	72	67	84	CALM	-	29.98
Middlesboro KY	02:35	Clear	10	67	66	97	CALM	-	30.04
Monroe Cnty TN	02:35	Clear	9	66	66	100	CALM	-	29.99
Morristown TN	02:55	Mostly Clear	8	69	69	100	CALM	-	30.01
Oak Ridge TN	02:53	Clear	10	69	67	92	CALM	-	30.01
Tazewell Cnty VA	20:35	Clear	10	71	64	78	NNW 3	-	30.08
Tri-Cities TN	02:53	Clear	8	67	67	100	CALM	-	30.02
Wise VA	02:55	Clear	10	60	60	100	SW 3	-	30.08
Greeneville, TN	02:35		10	69	68	94	CALM	-	30.01

Local Weather History For August 19th...

In 2011, storms hit on 2 straight days causing $30,000 wind damage and quarter-size hail.


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Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

NWS Morristown