The day of Tuesday will be rather sunny on the North-West while a more agitated time will settle towards the South with heavy accumulations of rain requiring the placement in vigilance orange rain-floods of Ariège for the second part of night and the day, forecasts Météo-France.
The pluvio-unstable disturbance, arriving from Spain on the night of Monday to Tuesday, will continue its progression towards the North-East. At dawn, it will extend from Béarn to Ariège, to the South of Toulouse and the Massif Central and will also affect the northern Alps and the Jura. The rainfall associated with this disturbance will be fairly sustained and continuous from the Massif Central to the Pyrenees, Ariège in particular, and will be more scattered in the northernmost part at first. They will quickly take on a stormy character as the hours go by.
Thunderstorms in the afternoon on the Southern Alps, the French Riviera and Corsica
In the afternoon, the thunderstorm will decline in intensity from the Pyrénées-Orientales to the Cevennes and the Massif Central, while instability will continue to the north of the Rhone Valley, the Northern Alps and the Jura. On the Mediterranean coast and Corsica, the day will begin under a cloudy sky with clouds of altitude becoming more and more threatening, storms will burst in the afternoon on the Southern Alps, the Côte d'Azur and the Corsican relief . A clear improvement will be made at the beginning of the evening, the storms will stop and the clearings will return.
Further north, from Nouvelle-Aquitaine towards the north-west quarter of the country to the Hauts-de-France, the weather will be rather sunny. The clearings will be wide even if they will be thwarted by a few showers, especially on the Channel coast in the morning.
temperatures
The minimum temperatures will be quite homogeneous, of the order of 11 to 15 degrees in general, from 17 to 22 on the south-east quarter. The maximum will be between 19 and 23 degrees in the northern half, between 23 and 26 in the south with peaks between 27 and 30 or even 31 degrees in the extreme south-east and Corsica.
The tramontane then the mistral will strengthen in their area, gusts reaching 60 to 70 km / h from the middle of the morning.