National Weather Service United States Department of Commerce

Heavy Rainfall and Severe Thunderstorm Threats; Heat Risk Expands; Monitoring the Tropics

Flash flooding risks continue for portions of the Four Corners and Great Basin through today. Severe thunderstorms are outlooked from the eastern Great Lakes, southern New England into the mid-Atlantic through Tuesday. Heat risk increases and expands across the center of the nation and across the Ohio Valley and mid-Atlantic this week. Continue to closely monitor tropical development in the Gulf. Read More >

Morristown, TN

Weather Forecast Office

NWS Morristown

Weather.gov > Morristown, TN
Click a location below for detailed forecast.

Last Map Update: Mon, Aug 31, 2026 at 9:52:31 am EDT

 

Increasing Heat
Today
Tonight
Tomorrow
Heat will continue to increase this week, peaking by Wednesday and Thursday. Most places can expect heat index values to exceed 100°. Other than a stray shower or storm in the mountains, rain chances do not return until Friday.
Read More...
Most areas will be dry for the next week or so. The best chance for any precipitation will be along the Smokies. Additionally, high pressure aloft will begin to strengthen over the region into this week, for a return of hot and muggy conditions. Heat indices will warm into the 100 to 105 range.
Read More...
Most areas will be dry for the next week or so. The best chance for any precipitation will be along the Smokies. Additionally, high pressure aloft will begin to strengthen over the region into this week, for a return of hot and muggy conditions. Heat indices will warm into the 100 to 105 range.
Read More...
Most areas will be dry for the next week or so. The best chance for any precipitation will be along the Smokies. Additionally, high pressure aloft will begin to strengthen over the region into this week, for a return of hot and muggy conditions. Heat indices will warm into the 100 to 105 range.
Read More...

 Current Weather Observations...
Location Time
(EDT)		 Weather Vsby.
(SM)		 Temp.
(ºF)		 Dewpt.
(ºF)		 Hum.
(%)		 Wind
(mph)		Wind Chill / Heat Index
(ºF)		Pres.
(in)
Abingdon VA09:35Clear10736883CALM-30.24
Andrews-Murphy NC09:15Clear10686794CALM-30.24
Chattanooga TN08:53Mostly Clear10797176CALM-30.18
Crossville TN08:53Clear10756878CALM-30.23
Dalton GA09:35Clear10777489CALM-30.19
Knoxville TN (McGhee-Tyson)08:53Mostly Clear10767184CALM-30.18
Middlesboro KY09:35Mist5716891CALM-30.22
Monroe Cnty TN09:15Clear10777594CALM-30.19
Morristown TN09:15Clear10777388CALM-
Oak Ridge TN08:53Clear10747087CALM-30.20
Tazewell Cnty VA08:35Clear10696689CALM-30.28
Tri-Cities TN08:53Mostly Clear10746984CALM-30.22
Wise VA09:35Clear10736883W 5-30.28
Greeneville, TN09:15Clear10756983CALM-30.21

Local Weather History For August 31st...
In 2016, Chattanooga had 77 days & Tri-Cities had 52 days of
temperatures above 90. Both sites broke records.

 

 

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