National Weather Service United States Department of Commerce

Severe Thunderstorms Possible from Ohio Valley to Mid-Atlantic; Excessive Heat in Central U.S.

Thunderstorms associated with wind damage and a risk for a tornado, will be possible from the Ohio Valley, central Appalachians and Mid-Atlantic states on Thursday. Dangerous heat will be possible from the Central Plains into the northern Gulf Coast though the weekend. Heavy rain in the Southwest U.S. could lead to flash flooding over the next several days as monsoonal conditions persist. Read More >

Latest Aviation Discussion:
.AVIATION /08Z THURSDAY THROUGH MONDAY/... Generally VFR thru Saturday night. Main concern will be scattered showers and storms which may result in brief sub-VFR conditions along with gusty winds later today into tonight. High pressure returning Friday will bring a gusty northwest wind, with lighter winds under high pressure on Saturday. South/southwest winds ahead of the front Sunday with primarily VFR conditions. Can have brief MVFR restrictions in any showers or thunderstorms Sunday afternoon. VFR conditions Monday as high pressure builds in with the winds becoming northwest. AVIATION...RCM/CPB Update as of: 415 AM EDT Thu Jul 29 2021

This discussion and more can be found in the Area Forecast Discussion.

Results/presentations from NWS Baltimore/Washington local Aviation Users Group meetings

Aviation Forecasts

The National Weather Service (NWS) Weather Forecast Office (WFO-LWX), in Sterling, VA has responsibility for six Terminal Aerodrome Forecasts or TAFs in Virginia, Maryland and the eastern West Virginia panhandle. Click on each map below to view the latest decoded TAF Note: maps are not for official aviation use. FAA VFR charts are available here.

REAGAN NATIONAL (DCA)

  TERMINAL FORECAST (DCA)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  DCA TAF BOARDClick for latest Washington Reagan National TAF & Current Observation

 

 

 

 

 


DULLES (IAD)

  TERMINAL FORECAST (IAD)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  IAD TAF BOARDClick for latest Dulles VA TAF & Observation

 

 

 

 

 

 


BALTIMORE (BWI)

  TERMINAL FORECAST (BWI)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  BWI TAF BOARDClick for latest Baltimore-BWI TAF & Observation

 

 

 

 

 

 


CHARLOTTESVILLE (CHO)

  TERMINAL FORECAST (CHO)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  CHO TAF BOARD

Click for latest Charlottesville TAF & Observation

 

 

 

 

 

 


MARTIN STATE (MTN)

  TERMINAL FORECAST (MTN)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  MTN TAF BOARD

 

 

 

 

 

 

 

Click for latest Martin State TAF & Observation



MARTINSBURG (MRB)

  TERMINAL FORECAST (MRB)

  24 HRS OF OBSERVATIONS

  FAA DETAILS

  TABULAR FORECAST

  MRB TAF BOARD

 

 

 

 

 

 

 

Click for latest Martinsburg TAF & Observation


Click here for the latest decoded METARs at all 6 WFO Sterling TAF sites

 

Center Weather Service Unit Products

 

The Leesburg VA Center Weather Service Unit (CWSU/ZDC) covers the NWS Sterling, VA County Warning Area. Use the buttons on the map or....CLICK HERE to view ZDC's web site.  For complete AVIATION WEATHER CENTER products click here.

Interactive Aviation Map (mouse over & CLICK for Observations)


See Complete MESONET MAP & OBS

Decoded/Raw Text

  • 24 hour decoded observations for Virginia Portion of our CWA...
  • 24 hour decoded observations for Maryland Portion of our CWA...
  • 24 hour decoded observations for West Virginia Portion of our CWA...

Surface Weather Maps

Wind Rose Data

  • Washington Reagan-National (DCA) wind rose data...
  • Dulles International (IAD) wind rose data...
  • Baltimore-Washington International (BWI) wind rose data...

Miscellaneous