A 22-year-old Willmar woman died in a rollover crash north of Grove City early Sunday morning. A 32-year-old Willmar man was seriously injured in the crash as well. Their names have not been released at this time. The crash happened at about 3am on Meeker County Road 3, just west of Highway 7. When authorities arrived, they found the car rolled over on its roof with the man trapped inside. He is being treated at North Memorial in Robbinsdale. The woman had been ejected from the vehicle during the rollover and was pronounced dead at the scene.