The department of Pyrenees-Atlantique in the Basque Country was downgraded by the weather service Meteo France however from the maximum level red alert to orange.
A 70-year-old man died there Friday when his vehicle struck a tree that had fallen into the road during the storms.
Five others were injured, two seriously, when trees fell on their vehicles.
In Espeins in the Lot-et-Garonne region a man in his seventies was swept away by rising waters when he went out to fetch his mail and has been missing since.
Rescuers resumed searches on Saturday as floods inundated parts of the region with waters rising to up to nearly nine feet and by 30 centimetres per hour in some areas. Lot-et-Garonne was placed under red alert for floods.
A firefighter holds a teddy bear as he inspect a flooded neighbourhood following heavy rains in Peyrehorade, southwestern France. Photo: Iroz Gaizka / AFP
A rugby rematch between Cardiff Blues and Pau for the European Challenge Cup in the city of Pau was initially cancelled but finally went ahead, ending with a victory for the French side.
Flooding and landslides cut off access to the skiing stations of Gourette and Artouste, while the distribution of drinkable water in the commune of Laruns was interrupted.
In the nearby Landes department, about 600 people were evacuated on Friday as a preventive measure in areas where the Gaves de Pau and Oloron rivers converge.
“We are getting used to this now,” a weary pensioner who gave his name as Christian told AFP. “We put everything on the upper levels, and we clear out everything from the garage,” he said.
But water levels were slowly falling in the area, local rescue force commander Olivier Loustau told AFP, and clean-up operations would probably start Sunday.
The Alps, where weather services had warned of heightened avalanche risk, were downgraded Saturday from the orange alert level, as was upper Corsica where winds had been packing speeds of up to 150 km/h.
French electricity utility Enedis said 40,000 houses were still without power in the late afternoon Saturday, primarily in southwestern France.