166 AWUS81 KLWX 201240 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- 210045- Regional Weather Summary National Weather Service Baltimore MD/Washington DC 840 AM EDT Wed May 20 2026 Here is a look at the weather features that will affect the region over the next several days. A strong cold front will bring more widespread showers and strong thunderstorms to the area today into Thursday. Behind this front, high temperatures drop by 25 to 30 degrees with continued rain chances into the upcoming holiday weekend as the front stalls nearby. $$