After Egypt and Jordan, French Prime minister Manuel Valls is due to visit Saudi Arabia on Monday for the final leg of his four-day tour of the Middle East.
Some more storms are predicted on Monday in three French southern regions. Only a week after torrential rain killed 20 people in the French Riviera.
Six Air France workers, suspected of attacking their bosses last week, were arrested on Monday, on the heels of fresh talks between management and unions.
Scenes of violent mobs outside Air France headquarters have rattled members of its Dutch arm. KLM is increasingly worried about the impact industrial action could have on its own activity.
Hundreds of Air France workers stormed office headquarters at Charles de Gaulle Roissy airport, on Monday, breaking up a last-ditch staff meeting.
At least nineteen people are feared dead and four people are missing, in one of the worst flooding to hit the French Riviera in years.
The death toll in floods on France's Riviera rose to at least 16 with another four reported missing on Sunday as French President François Hollande visited the stricken region.
Air France management has ruled out massive layoffs even if negotiations with trade unions fail to reach agreement on its plan to reform the troubled company.
Two people were killed late Monday night as violent storms hit the region of Tarn and Garonne in south-west France. Seven others were seriously wounded.