National Weather Service United States Department of Commerce

Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Click a location below for detailed forecast.

Last Map Update: Fri, Aug 21, 2026 at 7:50:33 am EDT

 

Scattered showers and storms are expected Friday in NE TN, SW VA and the East TN mountains. Elsewhere, showers and storms will be more isolated. Drier, more comfortable late August weather will settle in for the weekend.
This afternoon and evening, scattered showers and storms are expected in Northeast Tennessee, Southwest Virginia and the East Tennessee Mountains. Elsewhere, showers and storms will be more isolated. Drier conditions settle in for the weekend. Temperatures will be close to normal through the weekend.
This afternoon and evening, scattered showers and storms are expected in Northeast Tennessee, Southwest Virginia and the East Tennessee Mountains. Elsewhere, showers and storms will be more isolated. Drier conditions settle in for the weekend. Temperatures will be close to normal through the weekend.
This afternoon and evening, scattered showers and storms are expected in Northeast Tennessee, Southwest Virginia and the East Tennessee Mountains. Elsewhere, showers and storms will be more isolated. Drier conditions settle in for the weekend. Temperatures will be close to normal through the weekend.

 Current Weather Observations...
Location Time
(EDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Abingdon VA07:35Thunder In The Vicinity \ Lightning Observed10686693SW 15G23-30.13
Andrews-Murphy NC07:15Clear10676594CALM-30.12
Chattanooga TN06:53Partly Cloudy10717096E 5-30.00
Crossville TN06:53Partly Cloudy10696792CALM-30.07
Dalton GA07:35Clear87070100VRB 3-30.03
Knoxville TN (McGhee-Tyson)07:22Overcast10717096CALM-30.04
Middlesboro KY07:15Lightning Observed106969100CALM-30.09
Monroe Cnty TN07:15Clear106969100CALM-30.05
Morristown TN07:35Mostly Clear76969100E 3-30.07
Oak Ridge TN06:53Mostly Clear10727093CALM-30.04
Tazewell Cnty VA07:35Lightning Observed10636296CALM-30.14
Tri-Cities TN07:30Light Rain With Thunder \ Mist \ Cumulonimbus Clouds, Lightning Observed5686796E 7-30.11
Wise VA07:35Lightning Observed106464100CALM-30.14
Greeneville, TN07:15Mist46868100CALM-30.09


Local Weather History For August 21st...
Parts of East Tennessee saw temperatures drop as much as 11 degrees
in middle afternoon during the 2017 solar eclipse.

 

 

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