FloodZoneMap.org

Multiple rounds of thunderstorms impacted portions of Southeast Michigan on June 18, 2025. The first round consisted of sub-severe pop-up thunderstorms during the morning hours. These produced pockets of heavy downpours but otherwise brought some relief to areas that had seen relatively dry conditions in recent days. Showers expanded in coverage across the southern part of the state by late morning to early afternoon as a disturbance aloft ushered in a more organized cluster of thunderstorms. Th