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 >

 

A few strong to severe storms will be possible this evening, primarily in the southern Cumberland plateau and southern Tennessee valley. Storms may also affect other parts of the forecast area, but the risk of severe storms is primarily in the south. As far as hazards, damaging winds are the primary concern. The most favorable time for these strong storms will be after roughly 6 pm EDT, through perhaps Midnight at the latest.
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.
Storms and showers return this afternoon. Additional showers and thunderstorms possible through Friday night. Drier conditions settle in for the weekend. Temperatures will be close to normal through the weekend.
Storms and showers return this afternoon. Additional showers and thunderstorms possible through Friday night. Drier conditions settle in for the weekend. Temperatures will be close to normal through the weekend.
Storms and showers return this afternoon. Additional showers and thunderstorms possible through Friday night. 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 VA22:35Mostly Clear10716888NW 2-30.11
Andrews-Murphy NC22:15Clear10747088CALM-30.09
Chattanooga TN21:53Mostly Cloudy10857572CALM93 [HI]30.00
Crossville TN21:53Lightning Observed10767184CALM-30.09
Dalton GA22:35Partly Cloudy98080100CALM-30.01
Knoxville TN (McGhee-Tyson)22:06Thunder \ Cumulonimbus Clouds, Lightning Observed10807276NNE 5-30.03
Middlesboro KY22:35Partly Cloudy10747191WNW 3-30.08
Monroe Cnty TN22:15107777100CALM-30.04
Morristown TN22:35Overcast10787794CALM-30.05
Oak Ridge TN21:53Partly Cloudy10777490CALM-30.05
Tazewell Cnty VA22:35Clear10676284CALM-30.15
Tri-Cities TN21:53Mostly Cloudy10716993CALM-30.07
Wise VA22:35Partly Cloudy10686488NE 3-30.15
Greeneville, TN22:1510736883CALM-30.07


Local Weather History For August 20th...
Storms hit in 2014 for a 2 day period producing wind damage as well as quarter size hail.

 

 

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