Weather Get Ready For the Deluge By ARLnow.com Published September 29, 2010 at 4:07PM From Arlington Alert: FLASH FLOOD WATCH IN EFFECT FOR DC AREA FROM MIDNIGHT WED TO THUR UP TO 11PM. MONITOR FORECASTS. BE PREPARED TO TAKE ACTION SHOULD WARNINGS BE ISSUED. POSSIBLE 1-2 INCHES OF RAINFALL EACH DAY/NIGHT. #alert #flooding #rain