National Weather Service United States Department of Commerce

Heat and Severe Thunderstorms in the Eastern U.S.

A widespread heat wave will peak over the South and East today, with several dozen temperature records expected along the East Coast. Heat should begin to ease this weekend in the Northeast, while hazardous heat continues over the South. Severe thunderstorms capable of damaging winds are possible across parts of the Appalachians, Mid Atlantic, and Northeast this afternoon and evening. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Jun 12, 2026 at 10:36:33 pm EDT

 

Scattered showers and thunderstorms are expected this afternoon and evening. A few showers and storms will be around especially across the south and mountains Saturday afternoon, then more numerous showers and storms can be expected on Sunday.
Scattered showers and thunderstorms are expected this afternoon and evening. A few showers and storms will be around especially across the south and mountains Saturday afternoon, then more numerous showers and storms can be expected on Sunday.
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 VA22:15Clear10716994CALM-30.05
Andrews-Murphy NC21:55Clear10736885CALM-30.07
Chattanooga TN21:53Mostly Cloudy10807276WSW 5-30.00
Crossville TN21:53Mostly Clear10726887WNW 3-30.07
Dalton GA22:15Mostly Clear107777100CALM-30.01
Knoxville TN (McGhee-Tyson)21:53Cumulonimbus Clouds, Lightning Observed10807481SW 7-29.99
Middlesboro KY21:55Clear10766876CALM-30.03
Monroe Cnty TN21:55Clear107777100WSW 3-30.01
Morristown TN21:5510806661W 5-30.03
Oak Ridge TN21:53Clear10816864CALM-30.01
Tazewell Cnty VA17:15Lightning Observed10766568NW 3-30.03
Tri-Cities TN21:53Lightning Observed10796460W 8-30.01
Wise VA22:15Partly Cloudy10696688W 5-30.10
Greeneville, TN21:55Clear10736678CALM-30.02


Local Weather History For June 12th...
Storms hit area in 2004, $580,000 in damage. 5 of standing water at a Meadowview store.

 

 

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