National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Click a location below for detailed forecast.

Last Map Update: Sat, Aug 22, 2026 at 3:40:58 pm EDT

 

Low to medium risk for thunderstorms later today, with the best chances in southwestern Virginia and north. A few storms may contain brief bouts of strong to severe wind gusts, torrential rainfall, and small hail. The most likely timeframe is between 5 pm and 11 pm EDT. Shelter indoors when any thunderstorm is near!
Isolated to scattered showers and storms are expected in Northeast Tennessee, Southwest Virginia and the East Tennessee Mountains this evening Elsewhere, showers and storms will be more isolated. Dry weather is expected Sunday and Monday. Temperatures will be close to normal through the remainder of the weekend and into early next week.
Isolated to scattered showers and storms are expected in Northeast Tennessee, Southwest Virginia and the East Tennessee Mountains this evening Elsewhere, showers and storms will be more isolated. Dry weather is expected Sunday and Monday. Temperatures will be close to normal through the remainder of the weekend and into early next week.
Isolated to scattered showers and storms are expected in Northeast Tennessee, Southwest Virginia and the East Tennessee Mountains this evening Elsewhere, showers and storms will be more isolated. Dry weather is expected Sunday and Monday. Temperatures will be close to normal through the remainder of the weekend and into early next week.
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 VA15:15Partly Cloudy10806661SW 13-30.01
Andrews-Murphy NC14:55Mostly Cloudy10856448SSW 5-30.03
Chattanooga TN14:53Partly Cloudy10916238NW 592 [HI]29.99
Crossville TN14:53Clear10836249VRB 3-30.06
Dalton GA15:15Partly Cloudy10897053VRB 394 [HI]29.99
Knoxville TN (McGhee-Tyson)14:53Clear10866651SW 7-29.98
Middlesboro KY15:15Mostly Cloudy10886547WNW 8-29.99
Monroe Cnty TN14:55Clear10876852VRB 391 [HI]29.99
Morristown TN15:15Clear9847165SW 10-29.99
Oak Ridge TN14:53Mostly Clear10906543CALM92 [HI]30.00
Tazewell Cnty VA15:15Partly Cloudy10786461SW 7-30.04
Tri-Cities TN14:53Partly Cloudy10856754W 7-29.99
Wise VA15:15Lightning Observed10756469SW 12-30.04
Greeneville, TN14:55Mostly Cloudy10826965SW 5-30.01


Local Weather History For August 22nd...
Squall line hit in 2003 with extensive wind damage over area. Tree fell on a camper at Cove Lake.

 

 

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