National Weather Service United States Department of Commerce

Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Click a location below for detailed forecast.

Last Map Update: Thu, Aug 20, 2026 at 3:08:33 pm EDT

 

Rain chances return today, with several waves of showers and thunderstorms possible through tomorrow. Temperatures will be close to normal through the weekend.
Rain chances return today, with several waves of showers and thunderstorms possible through tomorrow. Temperatures will be close to normal through the weekend.
Rain chances return today, with several waves of showers and thunderstorms possible through tomorrow. 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 VA13:55Mostly Cloudy10786869SW 12-30.09
Andrews-Murphy NC13:35Clear10866550WNW 3-30.08
Chattanooga TN13:53Mostly Cloudy10886648SSE 6-30.01
Crossville TN13:53Clear10827066W 9-30.07
Dalton GA13:55Clear10896849CALM93 [HI]30.03
Knoxville TN (McGhee-Tyson)13:53Mostly Cloudy10836452NNW 3-30.02
Middlesboro KY13:55Clear10826966CALM-30.04
Monroe Cnty TN13:35Clear10866958VRB 7-30.02
Morristown TN13:55Clear10827169VRB 3-30.04
Oak Ridge TN13:53Clear10826760CALM-30.04
Tazewell Cnty VA13:55Partly Cloudy10746673WSW 6-30.13
Tri-Cities TN13:53Partly Cloudy10836860W 8-30.07
Wise VA13:55Clear10736473SSW 12-30.12
Greeneville, TN13:3510826658W 5-30.06


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

 

 

Briefing Hydrology Past Weather Events Graphical Hazardous Weather Outlook for East Tennessee East Tennessee Observations
Decision Support Hydrology Past Weather Events GHWO Observations Gridded Forecast
Daily Climate for Middle Tennessee Local East Tennessee Climate Tornado Database Tropical Weather Information NOAA Weather Radio
IDSS Point Forecasts Daily Climate Local Climate Tornado Database Tropical Weather Radio
Daily Climate for Middle Tennessee Probabilistic Data for East Tennessee Virtual Tour of the NWS Morristown Office Skywarn Spotter Training for East Tennessee  
Being Prepared Estar Preparado Probabilistic Virtual Tour Spotter Training