702 AWUS81 KLWX 232337 RWSLWX DCZ001-MDZ003>006-011-013-014-016>018-501>508-VAZ025>031-036>040- 050>057-501>508-WVZ050>053-055-501>506-241000- Regional Weather Summary National Weather Service Baltimore MD/Washington DC 737 PM EDT Sun Jun 23 2019 Here is a look at the weather features that will affect the region over the next several days. A warm front will approach from the southern Appalachians overnight. Increasing humidity and warmer temperatures are expected during this time. The warm front will slowly lift northward across the area through Monday while a weak cold front approaches from the Ohio Valley, resulting in an increasing risk for showers and thunderstorms. The cold front will cross Tuesday as it weakens further. Meanwhile, high pressure will build from the Tennessee Valley toward the Mid-Atlantic through late in the week, lending to a continuation of very warm to hot and humid conditions. $$