AWUS81 KLWX 191941 RWSLWX DCZ001-MDZ003>006-008-011-013-014-016>018-501>510-VAZ025>031- 036>040-050-051-053>057-501>508-526-527-WVZ050>053-055-501>506- 201000- Regional Weather Summary National Weather Service Baltimore MD/Washington DC 341 PM EDT Mon May 18 2026 Here is a look at the weather features that will affect the region over the next several days. Broad high pressure will continue to strengthen while pushing further offshore through tonight. A strong cold front will bring more widespread showers and strong thunderstorms to the area Wednesday into Thursday. Behind this system, temperatures cool with continued on and off rain chances into the weekend as the front stalls nearby. $$