Morristown, TN

Weather Forecast Office

NWS Morristown

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Last Map Update: Mon, Aug 17, 2026 at 8:12:32 am EDT

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Storm Outlook Today

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Today

Tonight

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An arriving cold front may bring strong to severe thunderstorms to the region during the afternoon and evening. Damaging winds are the primary threat. Isolated flash flooding also possible.

Make sure to practice heat safety! Drink plenty of fluids, avoid outdoor activities during the hottest part of the day, stay in air conditioning, and don't forget your pets and check in on relatives and neighbors!

Very hot conditions will continue today, with heat index values in many locations approaching or exceeding 100 this afternoon. A weak summertime cold front will approach later today with showers and thunderstorms, some of which may become strong to severe. Drier weather is expected for Tuesday and Wednesday.

Very hot conditions will continue today, with heat index values in many locations approaching or exceeding 100 this afternoon. A weak summertime cold front will approach later today with showers and thunderstorms, some of which may become strong to severe. Drier weather is expected for Tuesday and Wednesday.

Very hot conditions will continue today, with heat index values in many locations approaching or exceeding 100 this afternoon. A weak summertime cold front will approach later today with showers and thunderstorms, some of which may become strong to severe. Drier weather is expected for Tuesday and Wednesday.

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	07:55	Mostly Clear	10	68	66	93	CALM	-	30.11
Andrews-Murphy NC	07:35	Mist	5	66	64	95	CALM	-	30.13
Chattanooga TN	07:53	Clear	10	78	72	81	S 3	-	30.05
Crossville TN	07:53	Clear	10	72	69	90	CALM	-	30.11
Dalton GA	07:55	Clear	10	73	73	100	CALM	-	30.06
Knoxville TN (McGhee-Tyson)	07:53	Mostly Cloudy	10	77	70	78	SW 5	-	30.05
Middlesboro KY	07:55	Fog	1/4	71	71	100	CALM	-	30.07
Monroe Cnty TN	07:35	Clear	10	73	73	100	CALM	-	30.05
Morristown TN	07:35	Mist	6	77	75	94	W 5	-	30.06
Oak Ridge TN	17:53	Mostly Clear	10	96	67	38		-	30.05
Tazewell Cnty VA	03:15	Partly Cloudy	7	65	65	100	W 6	-	30.10
Tri-Cities TN	07:53	Mostly Cloudy	10	71	68	90	CALM	-	30.08
Wise VA	07:55	Lightning Observed	10	69	69	100	SW 5	-	30.13
Greeneville, TN	07:35	Clear	10	71	69	94	CALM	-	30.07

Local Weather History For August 17th...

In 2010, slow moving storms created flooding northeast TN and southwest VA. 1 drowned.


Decision Support	Hydrology	Past Weather Events	GHWO	Observations	Gridded Forecast

IDSS Point Forecasts	Daily Climate	Local Climate	Tornado Database	Tropical	Weather Radio

Being Prepared	Estar Preparado	Probabilistic	Virtual Tour	Spotter Training

Heavy Rainfall Continues in Hawaii; Severe Thunderstorms and Heavy Rainfall in the Plains and Southern Appalachians

NWS Morristown