return of the sun before a new episode in Cévennes… What should we expect for the start of the All Saints’ Day holidays?

The days of Wednesday and Thursday should be particularly pleasant over a large part of France but the second part of the week could see heavy accumulations of rain fall on the South-East.

While recent days have been marked by very heavy rainfall and spectacular flooding in the Center-East, this first week of the All Saints’ Day holidays should be marked by a return to calm before the possible occurrence of ‘a new Cévennes episode from Thursday or Friday.

This Monday, October 21, the weather conditions are only disrupted in the north-west of France due to storm Ashley circulating in the north of Europe and synonymous in the morning with heavy rain during the day in Côtes-d’ Armor at the Channel. This disturbance, which should reach Île-de-France during the evening, could locally bring between 30 and 40 liters of water per m².

In the rest of the country, from the South-West to the Grand Est region, the sun will shine and temperatures will remain stationary but mild, with up to 21°C in Paris, 23°C in Lyon and 25°C in Marseille. , Biarritz or Ajaccio.

A very pleasant Wednesday

On Tuesday, the disturbance should slide towards the east of France and will be accompanied by some showers, warns La Chaîne Météo. Thanks to the installation of anticyclonic conditions, Wednesday and Thursday should be the most beautiful days of the week with coolness in the morning and mildness in the afternoon over most of the country.

Unfortunately, Thursday will also see the arrival of a depression from the West and it will extend to the Mediterranean the next day. Under these conditions, the occurrence of a new Cévennes episode is to be feared with heavy precipitation. “The cumulative rainfall between Thursday and Friday could exceed 50 to 70 mm between the south of the Massif Central, Provence, the lower Rhône valley and Languedoc,” warns La Chaîne Météo.

The precipitation should continue to shift towards the south-east of France on Saturday and it cannot be ruled out that the bad weather will continue next weekend in this part of the country.

Sunday, however, should see the widespread return of calmer skies accompanied by a falling mercury with average maximum temperatures of 14°C expected in the northern half and 16°C in the southern half.