According to KFVS in Chicago, Webb was arrested Sunday for possession of marijuana and drug paraphernalia.
Webb was released after paying 10 percent of $5,000 in bail. His next court date is in March.
A seventh-round pick in 2010, Webb is signed through 2013, at a base salary of $1.323 million.
UPDATE 2:23 p.m. ET: The Bears have issued a statement regarding the incident. “We are aware of the recent arrest of J’Marcus Webb in Pulaski County, Illinois,” the team said. “We are currently gathering information to learn more about the circumstances surrounding the arrest.”