Severe Thunderstorms in the Southern Plains; Coastal Storm to Bring Rain and Wind to New England

Severe thunderstorms are possible across parts of the southern Plains today. Large hail is the main threat, along with some damaging winds. A few instances of 2+ inch diameter hail are possible. A storm system moving north along the New England coast will bring heavy rain and gusty winds to the region through Friday. Read More >

Latest Aviation Discussion:

.AVIATION /18Z THURSDAY THROUGH TUESDAY/... VFR conditions had returned to most of the TAF sites as of 18Z as a warm front lifts passed and a cold front quickly follows. This is shifting winds around to the west, with gusts of 15-20 kts. Iso TS possible mainly SE of DCA. SHRA activity should diminish into this evening, though some iso light activity could linger until a little after sunset. Wind gusts will subside this evening, as well. VFR conditions and gusty NW winds are expected Friday. Gusts could exceed 30 kts at times. A couple of pop up showers are possible. Winds will become lighter Friday night, then gusts resume during the day Saturday but at slightly lower speeds as high pressure passes to the north. Winds slacken again after dark Saturday night while remaining NW. Sub-VFR conditions will be possible at times if the region experiences showers and thunderstorms Sun-Mon. The best chance for aviation restrictions in the long term will be Tue-Wed. AVIATION...DHOF/JMG Update as of: 216 PM EDT Thu May 22 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

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)

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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...

METAR Request form via the Aviation Weather Center. Raw and decoded observations.
Request past 36 raw observations for TAF SITES...
Most recent WFO Sterling (LWX) Rainfall, Snowfall, Wind Gusts
Hourly Weather Roundup for LWX CWA