National Weather Service United States Department of Commerce

Lala Impacting Hawaii; Flash Flooding Risks; Excessive Heat

Lala will continue to impact Hawaii through the weekend. Heavy rainfall, strong winds, dangerous surf and localized flooding are expected. Thunderstorms, heavy rainfall and flash flooding concerns from the mid-Mississippi Valley, Ohio Valley into the central Appalachians and the mid-Atlantic through today. Record heat continues for areas of the Mississippi Valley into the Southeast. Read More >

Morristown, TN

Weather Forecast Office

NWS Morristown

Weather.gov > Morristown, TN
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Last Map Update: Sun, Aug 16, 2026 at 5:56:56 pm EDT

 

Heat Index Values Today
Severe Weather Outlook Tomorrow
Today
Tonight
Tomorrow
Smoky Mtn Observations
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!
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An arriving cold front tomorrow may bring strong to severe thunderstorms to the region during the afternoon and evening. Damaging winds are the primary threat.
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Very hot conditions will continue through Monday, with heat index values in many locations approaching or exceeding 100 during the afternoons. A weak summertime cold front will approach Monday, with showers and thunderstorms some of which may become strong to severe. Drier weather is expected for Tuesday and Wednesday.
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Very hot conditions will continue through Monday, with heat index values in many locations approaching or exceeding 100 during the afternoons. A weak summertime cold front will approach Monday, with showers and thunderstorms some of which may become strong to severe. Drier weather is expected for Tuesday and Wednesday.
Read More...
Very hot conditions will continue through Monday, with heat index values in many locations approaching or exceeding 100 during the afternoons. A weak summertime cold front will approach Monday, with showers and thunderstorms some of which may become strong to severe. Drier weather is expected for Tuesday and Wednesday.
Read More...
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
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 Current Weather Observations...
Location Time
(EDT)		 Weather Vsby.
(SM)		 Temp.
(ºF)		 Dewpt.
(ºF)		 Hum.
(%)		 Wind
(mph)		Wind Chill / Heat Index
(ºF)		Pres.
(in)
Abingdon VA17:35Partly Cloudy10867162WSW 991 [HI]30.11
Andrews-Murphy NC17:15Overcast10896952W 694 [HI]30.12
Chattanooga TN16:53Clear10966840W 8101 [HI]30.05
Crossville TN16:53Clear10896849VRB 593 [HI]30.13
Dalton GA17:35Clear10956841VRB 6100 [HI]30.06
Knoxville TN (McGhee-Tyson)16:53Partly Cloudy10946944W 999 [HI]30.05
Middlesboro KY17:15Partly Cloudy10936946W 698 [HI]30.07
Monroe Cnty TN17:15Mostly Clear10936946WNW 798 [HI]30.06
Morristown TN17:35Partly Cloudy7917559VRB 7102 [HI]30.05
Oak Ridge TN16:53Clear10956740VRB 599 [HI]30.07
Tazewell Cnty VA12:35Overcast10787078CALM-30.24
Tri-Cities TN16:53Mostly Cloudy10917152WSW 10G2198 [HI]30.07
Wise VA17:35Partly Cloudy10846858WSW 9-30.15
Greeneville, TN17:1510877362W 894 [HI]30.08

Local Weather History For August 16th...
In 2012 storms hit area with $15,000 in wind damage during the overnight hours.

 

 

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