Updated at 7:30 a.m. Wednesday: Montgomery County public schools and administrative offices will be closed Wednesday due to emergency weather conditions, the school system has announced. The county government and Circuit Court also will be closed, although essential employees are required to report as scheduled, according to an announcement from the county.

Weather forecasters are calling for heavy, wet snow, with accumulations of as much as 8 inches possible in parts of the Washington, D.C., region by Wednesday night. 

All school and community activities held in school buildings are canceled, Montgomery County Public Schools said.