Par
Alexandra Segond
Published on
The heat wave episode that has been installed since August 8, 2025 in France would almost forget The arrival of thunderstorms. In addition to the stifling heat-particularly in the southwest, it will also be necessary to compose with A heavy atmosphere from Wednesday August 13, 2025.
These few lightning blows located in the plain and especially in the mountainous area (Pyrenees, Massif Central et Alpes), can be quite marked. Also, Météo France has placed 74 departments and the Andorra in vigilance for Wednesday.
Over 70 yellow alert departments
It was on the night of Tuesday 12 to Wednesday August 13, 2025 that “Unstable degradation” Addresses the coasts of Aquitaine, explains the Météo France bulletin.
By “degradation”, the weather institution speaks concretely of thunderstorms that can be “accompanied by good gustsof bumper marked and a significant electrical activity ”.
Also, 74 departments and Andorra are the subject of “thunderstorms” yellow vigilance for Wednesday. Here is the list of the territories concerned:
- Aisne: Thunderstorms
- Allier: Storms
- Alpes-de-Haute-Provence: Thunderstorms
- Hautes-Alpes: Thunderstorms
- Alpes-Maritimes: Thunderstorms
- Ardennes: Thunderstorms
- Ariège: Thunderstorms
- Dawn: Storms
- Aude: Storms
- Aveyron: Thunderstorms
- Calvados: Thunderstorms
- Cantal: Storms
- Charente: Thunderstorms
- Charente-Maritime: Thunderstorms
- Dear: Thunderstorms
- Corrèze: Storms
- Côte-d’Or: Thunderstorms
- Creuse: Storms
- Dordogne: Thunderstorms
- Drôme: Storms
- Eure: Thunderstorms
- Eure-et-Loir: heat wave, thunderstorms
- Haute-Garonne: Thunderstorms
- Gers: Storms
- Gironde: Storms
- Ille-et-Vilaine: Thunderstorms
- Indre: Thunderstorms
- Indre-et-Loire: Thunderstorms
- Isère: Thunderstorms
- Landes: Thunderstorms
- Loir-et-Cher: heat wave, thunderstorms
- Loire: Thunderstorms
- Haute-Loire: Thunderstorms
- Loire-Atlantique: thunderstorms, heat wave
- Loiret: Thunderstorms
- Lot: Thunderstorms
- Lot-et-Garonne: Thunderstorms
- Lozère: Storms
- Maine-et-Loire: heat wave, thunderstorms
- Manche: Storms
- Marne: Storms
- Haute-Marne: Thunderstorms
- Mayenne: Thunderstorms
- Meuse: storms
- Nièvre: Storms
- North: Thunderstorms
- Oise: Storms
- Orne: Thunderstorms
- Pas-de-Calais: heat wave, thunderstorms
- Puy-de-Dôme: Thunderstorms
- Pyrénées-Atlantiques: Thunderstorms
- Hautes-Pyrénées: Thunderstorms
- Pyrénées-Orientales: Thunderstorms
- Saône-et-Loire: Thunderstorms
- Sarthe: heat wave, thunderstorms
- Savoy: Thunderstorms
- Paris: Storms
- Seine-Maritime: Thunderstorms
- Seine-et-Marne: Thunderstorms
- Yvelines: Thunderstorms
- Deux-Sèvres: Thunderstorms
- Sum: heat wave, thunderstorms
- Tarn: Storms
- Tarn-et-Garonne: Thunderstorms
- Var: Thunderstorms
- Vendée: thunderstorms, heat wave
- Vienna: Thunderstorms
- Haute-Vienne: Thunderstorms
- Yonne: Storms
- Essonne: Thunderstorms
- Hauts-de-Seine: Thunderstorms
- Seine-St-Denis: Thunderstorms
- Val-de-Marne: Thunderstorms
- Val-d’Oise: Thunderstorms
- Andorra: Thunderstorms
A slight withdrawal of temperatures with thunderstorms
These thunderstorms, which develop in the southwest at the start of the morning on Wednesday, will then go Cross France in the morning“From Hauts-de-France to Normandy, from west of Île-de-France to New Aquitaine,” said the Météo France bulletin.
Storms showers are frequently manifested, they are much more marked from Center-Val de Loire to New Aquitaine and Occitania, accompanied by gusts of up to 80 to 90 km/h, hail under the virulent storms. The stormy risk is also present on the Corsican relief.
This “stormy trend” involves a slight withdrawal of temperatures In the west of France -we are still around 35 ° C in the afternoon -, but nothing notable for the moment.
Not a stormy episode “large -scale”
In any case, this is what the specialized site Méteo-villes.com asserts which does not mention no stormy episode “large -scale Observed before the end of this long heat wave ”. Because it is indeed the heat wave that will dominate the weather news from the next: at least until August 20, announces Météo France.
Unlike July 2025, when heat and thunderstorms followed this disturbance in the weeks will not lower temperatures. They will rather stabilize, before leaving at the end of the week.
Then, “at the beginning of the weekend of August 15, a system of pressures in the west and south will warm up the air mass,” said Météo France during a weather assessment on Monday, August 11, 2025.
The heat wave will then experience a new peak between Friday August 15 and Sunday, August 17, 2025, especially in the South West. And a priori No new thunderstorms for the moment.
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