FPUS71 KLWX 192130 NOWLWX Short Term Forecast National Weather Service Baltimore MD/Washington DC 530 PM EDT Tue May 19 2026 VAZ053-506-192200- Fairfax-Eastern Loudoun- 530 PM EDT Tue May 19 2026 .NOW... At 530 PM EDT, Doppler radar indicated a strong thunderstorm over Arcola, or over South Riding, moving east at 20 mph. Gusty winds of 35 to 45 mph and pea-sized hail are possible with this storm. Locations impacted include... Reston, South Riding, Herndon, Lowes Island, Brambleton, Dulles International Airport, Ashburn, Sterling, Chantilly, Great Falls, Arcola, and Sterling Park. LAT...LON 3904 7736 3890 7734 3889 7757 3889 7758 3895 7759 TIME...MOT...LOC 2130Z 258DEG 15KT 3893 7754 $$ BRO