MIAMI — Forecasters say Gustav has weakened to a tropical storm over Haiti.

The National Hurricane Center says the storm's maximum sustained winds dropped from hurricane-strength to 70 mph late Tuesday. But the storm's expected to get stronger later this week.

The center says the storm could become a Category 2 hurricane Thursday, with winds of 96 mph or higher, on its expected path between Cuba and Jamaica.

At 11 p.m. EDT, the storm's center was about 85 miles west of Port au Prince, Haiti. The storm was moving west-northwest near 8 mph.