National Weather Service United States Department of Commerce

Areas of Dangerous Heat and Severe Thunderstorms

Dangerous heat will build across the Southwest U.S. through the end of the week with daytime highs of 110-115°F. Heat across the southern Plains will briefly ease to near-normal by late week before returning over much of the Plains into next week. Severe thunderstorms are expected across parts of the central and southern High Plains, central Great Lakes, and Ozarks Wednesday. Read More >

Click a location below for detailed forecast.

Last Map Update: Wed, Aug 26, 2026 at 1:22:23 am EDT

 

We'll be dry tonight, but rain chances will be on the increase going forward. Some isolated storms will be possible over mainly the mountains Wednesday afternoon, with some scattered showers and thunderstorms possible area wide on Thursday. Temperatures will remain near normal for the end of August.
Though most will be dry, chances for showers and storms will increase beginning today primarily for the Southern Appalachians. More widespread chances for showers and storms tomorrow and Friday. Temperatures trending above normal heading into September.
Though most will be dry, chances for showers and storms will increase beginning today primarily for the Southern Appalachians. More widespread chances for showers and storms tomorrow and Friday. Temperatures trending above normal heading into September.
Though most will be dry, chances for showers and storms will increase beginning today primarily for the Southern Appalachians. More widespread chances for showers and storms tomorrow and Friday. Temperatures trending above normal heading into September.
Daily climate data (normals and records) for today for the sites plotted. The current normals period is 1991-2020.

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA00:55Clear10605787NE 3-30.14
Andrews-Murphy NC00:35Partly Cloudy10615891CALM-30.14
Chattanooga TN00:53Clear10736575CALM-30.06
Crossville TN00:53Clear10636296CALM-30.11
Dalton GA00:55Clear106868100CALM-30.06
Knoxville TN (McGhee-Tyson)00:53Mostly Clear10706173ENE 3-30.06
Middlesboro KY00:55Clear10626196CALM-30.12
Monroe Cnty TN00:35Clear106464100CALM-30.07
Morristown TN00:55Mostly Cloudy10696277CALM-30.08
Oak Ridge TN00:53Clear10676593CALM-30.09
Tazewell Cnty VA09:55Clear10625476CALM-30.21
Tri-Cities TN00:53Mostly Clear10605996CALM-30.11
Wise VA00:55Clear10605377CALM-30.17
Greeneville, TN00:3510665977SE 5-30.11


Local Weather History For August 25th...
Storms hit the area in 1985, wind estimated at 100 mph in Knox County, caused major damage.

 

 

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