Latest Aviation Discussion:
.AVIATION /01Z WEDNESDAY THROUGH SUNDAY/...
Patchy ground fog and low stratus is likely to develop again
late tonight, with MVFR to IFR conditions possible. Some
terminals, around CHO/MRB specifically, could get down to LIFR.
These low clouds will be slow to dissipate Wednesday morning.
Expect an increase in showers and thunderstorms for Wednesday and
Thursday afternoons. These could produce brief periods of sub-VFR
conditions at any terminal. Most of the activity should dissipate
in the evening each day.
A weak cold frontal boundary will lead to some temporary reductions
Friday afternoon and evening due to showers/thunderstorms.
Additional reductions are possible during the afternoon and evening
hours this weekend as the front dissipates nearby. Convection
overall will be fairly spotty this weekend given the strengthening
subtropical ridge overhead. Winds Friday will be out of the east and
southeast Friday into Saturday at less than 15 kts. Winds will
switch back south and southwest Sunday into Monday.
AVIATION...LFR/KRR
Update as of: 909 PM EDT Tue Aug 12 2025
This discussion and more can be found in the Area Forecast Discussion.
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 BOARD
DULLES (IAD)
TERMINAL FORECAST (IAD)
24 HRS OF OBSERVATIONS
FAA DETAILS
TABULAR FORECAST
IAD TAF BOARD
BALTIMORE (BWI)
TERMINAL FORECAST (BWI)
24 HRS OF OBSERVATIONS
FAA DETAILS
TABULAR FORECAST
BWI TAF BOARD
CHARLOTTESVILLE (CHO)
TERMINAL FORECAST (CHO)
24 HRS OF OBSERVATIONS
FAA DETAILS
TABULAR FORECAST
CHO TAF BOARD
MARTIN STATE (MTN)
TERMINAL FORECAST (MTN)
24 HRS OF OBSERVATIONS
FAA DETAILS
TABULAR FORECAST
MTN TAF BOARD
MARTINSBURG (MRB)
TERMINAL FORECAST (MRB)
24 HRS OF OBSERVATIONS
FAA DETAILS
TABULAR FORECAST
MRB TAF BOARD
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...
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