National Weather Service United States Department of Commerce

Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Central U.S. and Northeast; Critical Fire Weather in the Four Corners

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Severe thunderstorms are forecast from parts of the central High Plains into the Upper Midwest, and across parts of the Northeast. Critical fire weather conditions will continue across portions of the Four Corners and Great Basin. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Jul 1, 2026 at 1:14:27 am EDT

 

Stay safe in the heat!
A heat advisory has been issued for the entire area until Friday evening. Heat index values are expected to reach or exceed 100° for most of the region with some valley locations exceeding 105°.
Mostly dry and very hot conditions can be expected through Thursday, and very hot conditions will likely continue into the weekend. Isolated to scattered showers and storms possible through this afternoon, mainly along and adjacent to the Southern Appalachians.

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA00:55Clear10737194CALM-30.19
Andrews-Murphy NC00:35Partly Cloudy10737090CALM-30.19
Chattanooga TN00:53Clear10837474CALM-30.10
Crossville TN00:53Clear9737296CALM-30.18
Dalton GA00:55Clear107979100CALM-30.11
Knoxville TN (McGhee-Tyson)00:53Mostly Clear10807481CALM-30.11
Middlesboro KY00:55Clear10747296CALM-30.15
Monroe Cnty TN00:35Clear107777100CALM-30.11
Morristown TN00:35Mostly Clear107878100CALM-30.13
Oak Ridge TN00:53Clear10787693CALM-30.12
Tazewell Cnty VA22:35Clear10777180CALM-30.22
Tri-Cities TN00:53Clear9737296CALM-30.15
Wise VA00:55Clear106969100CALM-30.23
Greeneville, TN00:35Clear10777388CALM-30.15


Local Weather History For June 30th...
2 tornadoes touched down in Knox County in 1993. 1 injured.

 

 

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