Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

Wildfire smoke continues to impact air quality from the Great Lakes region into New England and the Mid-Atlantic today with widespread Air Quality Alerts in effect. Severe thunderstorms are expected across portions of the Ohio Valley and Lower Great Lakes into the Mid-Atlantic and Northeast, this afternoon into the evening. Monsoonal thunderstorms may bring areas of flooding to the Southwest. Read More >

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Last Map Update: Sat, Jul 18, 2026 at 2:24:43 pm EDT

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

Severe Thunderstorm Warning

Special Weather Statement

Hazardous Weather Outlook

Three Day Outlook

Today

Tonight

Tomorrow

Smoky Mtn Observations

Next three days offer several chances for scattered showers and thunderstorms. Uncertainty around how many storms form this afternoon, another bout of storms for NE TN and SW VA early tomorrow morning. Then another bout of storms Sunday PM hours and more storms Monday PM hours. A storm or two could have strong to severe wind gusts.

Daily chances of showers and storms along with warm and humid conditions continue through the weekend.

Daily chances of showers and storms along with warm and humid conditions continue through the weekend.

Daily chances of showers and storms along with warm and humid conditions continue through the weekend.

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	14:15	Lightning Observed	10	82	71	69	SW 13	-	30.06
Andrews-Murphy NC	13:54	Mostly Cloudy	10	86	70	59	CALM	-	30.08
Chattanooga TN	13:53	Thunder In The Vicinity \ Lightning Observed	10	87	76	69	CALM	98 [HI]	30.04
Crossville TN	13:53	Mostly Cloudy	10	83	72	69	W 3	-	30.10
Dalton GA	14:15	Lightning Observed	10	89	80	73	VRB 3	106 [HI]	30.03
Knoxville TN (McGhee-Tyson)	13:53	Lightning Observed	10	86	72	63		-	30.03
Middlesboro KY	13:55	Partly Cloudy	10	84	74	71	WNW 6	92 [HI]	30.05
Monroe Cnty TN	13:55	Partly Cloudy	10	86	80	84	VRB 5	101 [HI]	30.04
Morristown TN	13:55	Mostly Cloudy	9	84	75	74	SW 7	92 [HI]	30.05
Oak Ridge TN	13:53	Mostly Cloudy	10	89	74	61	W 3	98 [HI]	30.04
Tazewell Cnty VA	09:55	Mostly Cloudy	10				SSW 5	-	30.16
Tri-Cities TN	13:53	Cumulonimbus Clouds Observed	10	84	71	65	W 6	-	30.05
Wise VA	14:15	Heavy Rain With Thunder \ Lightning Observed	1	75	73	94	W 3	-	30.12
Greeneville, TN	13:55	Overcast	10	84	71	65	VRB 7	-	30.05

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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Wildfire Smoke and Severe Thunderstorms in the East; Monsoon Thunderstorms in the Southwest

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