Heat Wave and Severe Thunderstorms this Independence Day

A prolonged, dangerous heat wave will persist through the Independence Day weekend across the Ohio Valley, Midwest, and Mid-Atlantic. Numerous temperature records are expected. Clusters of severe thunderstorms will move across parts of the Allegheny Plateau into Mid Atlantic this Independence Day, with potential for widespread damaging winds. Additional severe thunderstorms in the Great Plains. Read More >

Click a location below for detailed forecast.

Last Map Update: Sat, Jul 4, 2026 at 8:34:41 pm EDT

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

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July 4th Climatology

Smoky Mtn Observations

Near record-breaking heat expected again with scattered storms more into the evening hours.

Lightning safety.

Isolated showers and storms this afternoon may become more scattered late this evening. Widespread showers and storms can be expected Sunday afternoon and evening. A slight moderation in temperatures will take place next week, returning the region to normal summer heat and continued daily storm chances.

Based on the current forecast, this Independence Day could be the hottest on record for some

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	20:15	Clear		80	73	78	NW 6	-	30.02
Andrews-Murphy NC	19:55	Clear	10	81	71	72	CALM	-	30.03
Chattanooga TN	19:53	Cumulonimbus Clouds Observed	10	91	70	50	WSW 6	97 [HI]	29.96
Crossville TN	19:53	Lightning Observed	10	83	71	67	CALM	-	30.04
Dalton GA	20:15	Clear	10	88	76	65	CALM	99 [HI]	29.97
Knoxville TN (McGhee-Tyson)	19:53	Mostly Clear	10	89	67	48	W 7	92 [HI]	29.96
Middlesboro KY	20:15	Clear	10	82	72	71	W 3	-	30.00
Monroe Cnty TN	19:55	Clear	10	87	71	58	N 3	93 [HI]	29.97
Morristown TN	19:55	Clear	10	86	75	70	W 6	95 [HI]	29.97
Oak Ridge TN	19:53	Clear	10	90	67	46	VRB 3	93 [HI]	29.98
Tazewell Cnty VA	15:15	Lightning Observed	10	78	69	73	ENE 5	-	30.17
Tri-Cities TN	19:53	Partly Cloudy	10	85	73	67	NNW 7	92 [HI]	29.98
Wise VA	20:15	Lightning Observed	10	78	69	73	WSW 7	-	30.06
Greeneville, TN	20:15	Clear	10	84	71	65	W 5	-	29.99

Local Weather History For July 4th...

Storms hit the area in 2006. $372,000 in wind damage. Flooding was reported in Rogersville.


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Heat Wave and Severe Thunderstorms this Independence Day

NWS Morristown