Morristown, TN

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NWS Morristown

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Last Map Update: Fri, Aug 28, 2026 at 5:08:23 pm EDT

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Heat Wave Late Next Week

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Return to Above Normal Temperatures

Smoky Mtn Observations

A heat wave is expected into late next week with highs rising into the low to mid 90s and heat index values reaching or exceeding 100°. Even hotter conditions are expected to our south and west

A few isolated showers and storms will continue across the forecast area this afternoon. Otherwise, most areas will be dry for the next week or so. Additionally, high pressure aloft will begin to strengthen over the region this weekend and into next week, for a return of hot and muggy conditions.

A few isolated showers and storms will continue across the forecast area this afternoon. Otherwise, most areas will be dry for the next week or so. Additionally, high pressure aloft will begin to strengthen over the region this weekend and into next week, for a return of hot and muggy conditions.

A few isolated showers and storms will continue across the forecast area this afternoon. Otherwise, most areas will be dry for the next week or so. Additionally, high pressure aloft will begin to strengthen over the region this weekend and into next week, for a return of hot and muggy conditions.

Hot and muggy conditions will return next week. High temperatures in the upper 80s to middle 90s are anticipated which is 5 to 10 degrees above normal.

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	16:55	Mostly Clear	10	80	62	54	NNE 7	-	30.10
Andrews-Murphy NC	16:35	Clear	10	85	65	50	NW 3	-	30.05
Chattanooga TN	16:53	Towering Cumulus Clouds Observed	10	89	63	41	NE 8	-	30.00
Crossville TN	16:53	Clear	10	85	61	44	NNE 8	-	30.10
Dalton GA	16:55	Clear	10	91	65	43	CALM	93 [HI]	29.99
Knoxville TN (McGhee-Tyson)	16:53	Towering Cumulus Clouds Observed	10	87	64	46	N 9G22	-	30.01
Middlesboro KY	16:55	Clear	10	88	63	44	NNW 5	-	30.07
Monroe Cnty TN	16:35	Mostly Clear	10	86	68	55	N 8	-	30.02
Morristown TN	16:35	Clear	10	86	68	55	NNW 8	-
Oak Ridge TN	16:53	Partly Cloudy	10	90	64	42	CALM	91 [HI]	30.04
Tazewell Cnty VA	16:55	Clear	10	77	58	52	N 7	-	30.16
Tri-Cities TN	16:53	Partly Cloudy	10	86	65	49	VRB 7	-	30.06
Wise VA	16:55	Mostly Cloudy	10	77	60	57	NNE 9	-	30.15
Greeneville, TN	16:35	Partly Cloudy	10	86	66	51	NNE 10	-	30.06

Local Weather History For August 28th...

In 2006, lightning razed a barn in Greenback along with the contents inside. $60,000 damage.


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Dangerous Heat and Possible Flooding

NWS Morristown