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Extreme Heat and Severe Thunderstorms Today

Extreme heat continues today from the central Plains to the lower Mississippi River Valley, over southeast Montana, and from southern California into the Southwest Deserts. Extreme Heat Warnings remain in effect. Severe thunderstorms capable of strong to severe wind gusts and large hail are possible across the Great Lakes into the Ohio Valley today into tonight. Read More >

Click a location below for detailed forecast.

Last Map Update: Mon, Jul 27, 2026 at 6:24:36 pm EDT

 

Showers and storms are possible Tuesday afternoon into early evening. A few strong to severe storms are possible, with the highest chances across northeast TN and southwest VA.
HOT AND HUMID CONDITIONS WITH SCATTERED SHOWERS AND THUNDERSTORMS POSSIBLE BOTH EARLY TUESDAY MORNING AND TUESDAY AFTERNOON, MAINLY TARGETING NORTHEASTERN TENNESSEE INTO VIRGINIA. ISOLATED SEVERE STORMS POSSIBLE IN THE AFTERNOON. AFTER THE PASSAGE OF A COLD FRONT, DRIER WEATHER AND MORE TYPICAL SUMMER TEMPERATURES THROUGH THE REMAINDER OF THE WEEK. THE NEXT CHANCES FOR RAIN WILL ARRIVE BY THE WEEKEND.
HOT AND HUMID CONDITIONS WITH SCATTERED SHOWERS AND THUNDERSTORMS POSSIBLE BOTH EARLY TUESDAY MORNING AND TUESDAY AFTERNOON, MAINLY TARGETING NORTHEASTERN TENNESSEE INTO VIRGINIA. ISOLATED SEVERE STORMS POSSIBLE IN THE AFTERNOON. AFTER THE PASSAGE OF A COLD FRONT, DRIER WEATHER AND MORE TYPICAL SUMMER TEMPERATURES THROUGH THE REMAINDER OF THE WEEK. THE NEXT CHANCES FOR RAIN WILL ARRIVE BY THE WEEKEND.
HOT AND HUMID CONDITIONS WITH SCATTERED SHOWERS AND THUNDERSTORMS POSSIBLE BOTH EARLY TUESDAY MORNING AND TUESDAY AFTERNOON, MAINLY TARGETING NORTHEASTERN TENNESSEE INTO VIRGINIA. ISOLATED SEVERE STORMS POSSIBLE IN THE AFTERNOON. AFTER THE PASSAGE OF A COLD FRONT, DRIER WEATHER AND MORE TYPICAL SUMMER TEMPERATURES THROUGH THE REMAINDER OF THE WEEK. THE NEXT CHANCES FOR RAIN WILL ARRIVE BY THE WEEKEND.
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 VA11:55Mostly Cloudy10776669VRB 2-30.00
Andrews-Murphy NC17:54Clear10856754N 6-29.94
Chattanooga TN17:53Clear10936945VRB 398 [HI]29.87
Crossville TN17:53Partly Cloudy10857265WNW 791 [HI]29.96
Dalton GA18:15Clear10927049VRB 698 [HI]29.87
Knoxville TN (McGhee-Tyson)17:53Overcast10887157E 594 [HI]29.88
Middlesboro KY18:15Partly Cloudy10877466SW 596 [HI]29.91
Monroe Cnty TN17:55Clear10877566CALM96 [HI]29.89
Morristown TN17:55Clear8867366CALM93 [HI]29.91
Oak Ridge TN17:53Mostly Clear10887259SSE 395 [HI]29.90
Tazewell Cnty VA17:15Clear10776361CALM-30.00
Tri-Cities TN17:53Partly Cloudy10856653WSW 6-29.91
Wise VA18:15Partly Cloudy10776873S 5-29.99
Greeneville, TN17:5510846962W 5-29.92


Local Weather History For July 27th...
In 2014, tornadoes hit Sullivan, Washington, Campbell and Claiborne counties as storms hit area.

 

 

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