A Flash Flood Watch means that conditions may develop that lead to flash flooding. Flash flooding is a very dangerous situation. You should monitor later forecasts and be prepared to take action should Flash Flood Warnings be issued.

FLASH FLOOD WATCH IN EFFECT THROUGH THIS EVENING... The National Weather Service in Sterling Virginia has expanded the * Flash Flood Watch to include portions of north central Maryland and West Virginia, including the following areas, in north central Maryland, Washington. In West Virginia, Berkeley, Hampshire, Morgan, and Western Pendleton. * Through this evening * Areas of heavy rain fell across the watch area last night. Additional heavy rainfall is expected this afternoon as slow moving thunderstorms develop by midday and slide east during the afternoon and evening. Some areas could receive an additional 1 to 3 inches of rain, which could result in flash flooding.