National Weather Service United States Department of Commerce

Dangerous Heat in the East; Critical Fire Weather in the Southwest

Dangerous, record-breaking heat will intensify across most of the central and eastern U.S this week. Heat indices will likely exceed 100 degrees. Heat is likely to continue across the eastern U.S. through the Independence Day holiday weekend. Critical fire weather conditions will continue today and likely Tuesday across portions of the Four Corners and northern High Plains. Read More >

Click a location below for detailed forecast.

Last Map Update: Mon, Jun 29, 2026 at 2:00:29 pm EDT

 

A dangerous heat wave will build into the eastern U.S. through the week and continue into the Independence Day weekend.
Isolated to scattered showers and storms will continue through this afternoon mainly along and north of I-40. A low risk of flooding remains. Hot conditions return starting today with highs rising well into the 90s for most valley locations and heat indices exceeding 100 degrees.
Isolated to scattered showers and storms will continue through this afternoon mainly along and north of I-40. A low risk of flooding remains. Hot conditions return starting today with highs rising well into the 90s for most valley locations and heat indices exceeding 100 degrees.
Isolated to scattered showers and storms will continue through this afternoon mainly along and north of I-40. A low risk of flooding remains. Hot conditions return starting today with highs rising well into the 90s for most valley locations and heat indices exceeding 100 degrees.
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 VA13:15Overcast10807174S 5-30.18
Andrews-Murphy NC13:15Overcast10857163CALM-30.18
Chattanooga TN12:53Mostly Cloudy10917050N 9G1797 [HI]30.13
Crossville TN12:53Clear10857061VRB 3-30.20
Dalton GA13:15Mostly Cloudy10897665VRB 7101 [HI]30.13
Knoxville TN (McGhee-Tyson)12:53Partly Cloudy10877363CALM95 [HI]30.13
Middlesboro KY13:15Mostly Cloudy10877464NE 595 [HI]30.15
Monroe Cnty TN13:15Clear10897359CALM97 [HI]30.14
Morristown TN13:15Partly Cloudy8867570VRB 595 [HI]30.15
Oak Ridge TN12:53Mostly Cloudy10887361CALM96 [HI]30.14
Tazewell Cnty VA03:15Fog1/46868100CALM-30.14
Tri-Cities TN12:53Mostly Cloudy10847369-30.15
Wise VA13:15Mostly Cloudy10786973NW 5-30.23
Greeneville, TN13:15Mostly Cloudy10847370WNW 6-30.16


Local Weather History For June 29th...
Thunderstorms ravaged area in 2001. $199,000 wind damage and quarter-size hail in Monroe County.

 

 

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