An eye began to form inside of the storm, and six hours after becoming a hurricane, it reached its peak strength. Ismael then sped up as it moved to the northwest. The storm passed just east of Cabo San Lucas on September 15. The hurricane made landfall in the state of Sinaloa on September 15. Ismael quickly lost strength over land, and it died out on September 16. The remains of Ismael continued moving to the north. Rain from the storm reached parts of the United States.