Heavy rains were still a possibility in Puerto Rico and people should remain cautious about the chance of flooding, state meteorologist Ernesto Morales said.
"We should not lower our guard," he said.
Falling trees brought down a telephone post in the central town of Ciales, while officials said crews were clearing roads after small landslides in the central mountain town of Utuado and the southeastern town of Yabucoa. Minor flooding was reported in the Caribbean island's southeast.
Several residents in the northern municipality of Bayamon were relocated because a nearby mountain had already experienced landslides in recent weeks amid persistent wet weather.
The storm was expected to drop 2-4 inches (5-10 centimeters) of rain over Puerto Rico and the U.S. Virgin Islands, although isolated rains of up to 8 inches (20 centimeters) were possible in mountainous areas.
Officials in the U.S. Virgin Islands closed all schools in St. Croix.
The U.S. Hurricane Center in Miami said late Thursday that Lorena was 125 miles (201 kilometers) west of Cabo Corrientes, Mexico. It had maximum sustained winds of 40 mph (64 kph) and was moving northwestward at 13 mph (21 kph).