This brings the total number of people found dead after heavy rains and howling gales that hit the border area on Friday to nine. French firefighters said 21 other people were missing, eight of them directly attributable to the storm.
Bad weather has caused millions of euros in damage, with several road bridges washed away in Italy, and the streets of some cities littered with debris, mud and overturned cars.
Officials in the Piedmont region reported a record 63 centimeters of rain in just 24 hours in Sambughetto, Italy, near Switzerland – more than half of its average annual rainfall.
In Limone Piemonte, Italy, a three-story house was swept off its foundations and into a river. In the nearby village of Tanaro, floodwaters destroyed the local cemetery, sweeping away dozens of coffins.
In France, nearly 1,000 firefighters have been enlisted in the Alpes-Maritimes region to search for the missing and restore communications. More than two dozen primary and secondary schools in the region are closed until further notice, local authorities said.
Up to 50 centimeters of rain fell in less than 10 hours, a volume never seen since the recordings began, French Prime Minister Jean Castex said on Saturday.