Authorities in southern Mexico were still assessing damage and watching rising rivers as rain from the remnants of Hurricane Erick doused the region.

Hurricane Erick had strengthened to a Category 4 storm as it approached the coast but weakened to a Category 2 storm before making landfall on Thursday.

Erick weakened to a tropical storm after making landfall as a major hurricane on Mexico's southern Pacific coast on Thursday, leaving flooded streets, damaged boats and buildings in Oaxaca as authorities warned of dangerous rains.