AWUS81 KLWX 210450 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- 211700- Regional Weather Summary National Weather Service Baltimore MD/Washington DC 1250 AM EDT Tue Apr 21 2026 Here is a look at the weather features that will affect the region over the next several days. High pressure will build in today. Another cold front looks to drop in from the north Wednesday bringing the next chance for showers and a few thunderstorms. The front will cross by Thursday before returning north late in the week. An additional series of fronts and low pressure systems will bring unsettled weather conditions this weekend. $$