Overview
- The twister began at 7:19 p.m. on Sept. 2 just northeast of Marysville in St. Clair County and lasted about two minutes, according to the National Weather Service.
- NWS field teams rated the event EF-0, an estimate that corresponds to wind gusts up to about 85 mph on the Enhanced Fujita scale.
- Post-storm assessments found sporadic tree damage along a narrow path between Gratiot Avenue and Highway 29 and reported no injuries.
- The National Weather Service had issued a tornado warning for St. Clair County before the storm and later confirmed the touchdown after conducting damage surveys.
- The confirmation raises Michigan’s 2026 tornado count to 27 and follows three Upper Peninsula tornadoes reported in July, coming after a notably active 2025 season when the state recorded 33 tornadoes.