A flood warning has been issued through 10am Friday morning for areas of the upper Black River in St. Clair County. According to the St. Clair County Office of Homeland Security and Emergency Management, snow melt has caused localized flooding along the river and it's tributaries leading to road closures. As of Friday afternoon, the St. Clair County Road Commission has closed Arendt Road just south of Jeddo Road, Speaker Road between Kelly and Mason, the intersection of Speaker and Jordan Roads, and Yale Road between Kilgore and Brown Road. The Black River gage at Jeddo is expected to crest at approximately 12 feet this evening. Officials downriver communities, including the City of Port Huron, say they are closely monitoring the conditions. Sand bags have been placed in flood prone areas and ice breaking operations on the St. Clair River could begin as soon as Friday morning.