A woman in Spain who was swept up by a swollen river remained missing Friday as Storm Leonardo pummelled the Iberian Peninsula. The woman, 45, was reported missing after she fell into a river in the country’s southern Malaga province on Wednesday while trying to rescue her dog.

Spanish rescuers searched Thursday for a woman missing after a new storm hit the Iberian peninsula, as Portugal warned of a heightened flood risk after several months' worth of rain fell in a few hour...