NWS Morristown

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Last Map Update: Fri, Sep 18, 2026 at 2:25:06 am EDT

Watches, Warnings & Advisories

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National Weather Service Atlanta/Peachtree City, GA

National Weather Service Greenville-Spartanburg, SC

Heat Advisory

Hazardous Weather Outlook

Late Summer Heat Persists

Today

Tonight

Tomorrow

Relentless Heat continues. The hottest temperatures will be near Chattanooga. Rain chances become more widespread this weekend with the highest chances near the East Tennessee Mountains.

Abnormally hot temperatures can be expected into the weekend as a large high pressure ridge slowly moves west over the region. Shower and thunderstorm chances, while low, will gradually expand in areal coverage over the weekend in the afternoon hours to include the whole area.

Abnormally hot temperatures can be expected into the weekend as a large high pressure ridge slowly moves west over the region. Shower and thunderstorm chances, while low, will gradually expand in areal coverage over the weekend in the afternoon hours to include the whole area.

Abnormally hot temperatures can be expected into the weekend as a large high pressure ridge slowly moves west over the region. Shower and thunderstorm chances, while low, will gradually expand in areal coverage over the weekend in the afternoon hours to include the whole area.

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	02:15	Mist	2 1/2	69	69	100	CALM	-	30.28
Andrews-Murphy NC	01:55	Clear	10	67	65	93	CALM	-	30.28
Chattanooga TN	01:53	Clear	10	78	67	68	CALM	-	30.20
Crossville TN	01:53	Clear	10	71	69	93	CALM	-	30.28
Dalton GA	02:15	Clear	10	72	72	100	CALM	-	30.21
Knoxville TN (McGhee-Tyson)	01:53	Clear	10	76	70	81	CALM	-	30.21
Middlesboro KY	02:15	Partly Cloudy	10	69	68	98	CALM	-	30.25
Monroe Cnty TN	01:55	Clear	10	71	71	100	CALM	-	30.22
Morristown TN	01:55	Mostly Clear	10	73	73	100	CALM	-	30.23
Oak Ridge TN	01:53	Clear	10	74	72	93	CALM	-	30.23
Tazewell Cnty VA	02:15	Clear	10	68	66	93	CALM	-	30.31
Tri-Cities TN	01:53	Clear	10	68	68	100	CALM	-	30.25
Wise VA	02:15	Clear	10	68	68	100	CALM	-	30.32
Greeneville, TN	01:55	Mostly Cloudy	10	73	68	83	CALM	-	30.24

Local Weather History For September 18th...

In 2012, 3-6" rain soaked the area flooding roads. Cars were stranded in Knoxville.


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