Morristown, TN

Weather Forecast Office

NWS Morristown

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Last Map Update: Mon, Aug 17, 2026 at 10:50:46 am EDT

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Heat Advisory

Flood Watch

Hazardous Weather Outlook

Storm Outlook Today

Heat Index Values Today

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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	10:35	Partly Cloudy	10	77	71	83	WSW 10	-	30.11
Andrews-Murphy NC	10:15	Clear	10	77	69	75	CALM	-	30.14
Chattanooga TN	09:53	Clear	10	86	73	65	CALM	93 [HI]	30.05
Crossville TN	09:53	Clear	10	78	72	81	WSW 3	-	30.11
Dalton GA	10:35	Clear	10	85	79	81	VRB 3	97 [HI]	30.07
Knoxville TN (McGhee-Tyson)	09:53	Mostly Cloudy	10	83	72	69	SW 7	-	30.05
Middlesboro KY	10:15	Clear	10	79	74	86	CALM	-	30.08
Monroe Cnty TN	10:15	Clear	10	80	78	94	CALM	-	30.06
Morristown TN	10:35	Clear	7	82	77	83	VRB 6	-	30.08
Oak Ridge TN	17:53	Mostly Clear	10	96	67	38		-	30.05
Tazewell Cnty VA	08:15	Partly Cloudy	10	66	65	95	W 3	-	30.14
Tri-Cities TN	09:53	Mostly Cloudy	10	78	71	79	CALM	-	30.08
Wise VA	10:35	Clear	10	77	71	83	W 10	-	30.14
Greeneville, TN	10:15		10	80	71	74	VRB 7	-	30.09

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

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

NWS Morristown