Rain and flooding: Paris and Ile-de-France under yellow alert this Wednesday

Heavy rain is likely to fall over part of the country in the coming hours. This Wednesday, August 20, 2025, Météo France has placed 11 of France's départements under orange vigilance for rain and flooding, and around twenty others under yellow alert. Paris and the whole of the Île-de-France region are affected by this vigilance. Here's an update on the situation and forecasts.

This week, several disturbances are crossing the country."After the very hot weather, unstable conditions will settle over the country over the next few days", announces Météo France. "Showers will linger throughout Wednesday, from the Pays de la Loire to Franche-Comté and southern Alsace, with local thunderstorms in the east. Significant accumulations are to be expected over the long term", says the weather service.

On August 20, 2025,Météo France placed 11 of France's départements under orange vigilance for rain and flooding. In detail, Eure-et-Loir, Loir-et-Cher, Loiret, Cher, Yonne, Nièvre, Vosges, Haute-Saône, Doubs, Territoire de Belfort and Haut-Rhin are concerned by this orange alert for heavy rain and the risk of flooding.

Pluie-inondation : Paris et l'Île-de-France en vigilance jaune ce mercredi — © Météo France

In addition, around twenty départements have been placed on yellow alert for rain and flooding, including Paris and the rest of the Île-de-France region ( Hauts-de-Seine, Seine-Saint-Denis, Val-de-Marne, Essonne, Yvelines, Seine-et-Marne, Val-d'Oise).

According to the meteorological service, heavy rain could fall on the 8 different departments of the Ile-de-France region throughout the day on Wednesday. The phenomenon could continue until around 9pm. "The heaviest rainfall totals are expected in the orange departments. There is, however, some uncertainty as to the axis of the rainstorm, and a change in vigilance is possible depending on how it develops", says Météo France.

We remind you that the Ile-de-France region has also been placed on yellow alert forthunderstorms this Wednesday.

Thunderstorms in Paris and Île-de-France: yellow alert on Monday, October 20
Météo France has issued a yellow alert for thunderstorms across the entire Île-de-France region on Monday, October 20, 2025. The eight departments of the Île-de-France region are among the 30 areas affected by this weather alert. Here is an overview of what to expect. [Read more]

As Météo France explains, " heavy rainfall can have serious consequences for the safety of people and property. They can cause flooding through runoff and overflowing rivers ". Motorists are also urged to exercise extreme caution in the event of heavy rain. " Even moderate rain can reduce our ability to see and be seen " on the roads, and " speed increases the risk of aquaplaning and the danger involved ", insists the weather service.