AWUS81 KLWX 210509 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- 211800- Regional Weather Summary National Weather Service Baltimore MD/Washington DC 108 AM EDT Sun Jun 21 2026 Here is a look at the weather features that will affect the region over the next several days. Less humid and seasonable weather is expected through today as high pressure builds toward the area from the west. The next low pressure system will bring showers and thunderstorms on Monday. Drier weather is more likely toward the middle of the week with high pressure advancing east from the Great Lakes. $$