The weather on Friday will be very roughwith orange vigilance for strong winds in Deux-Sèvres (79), Vienne (86) and Charente-Maritime (17), Puy de Dôme (63) and Haute-Loire (43) as well as a orange vigilance for the high risk of avalanche in the mountains in Savoie (73), according to Météo France forecasts.
Storm Diego will cross the country today from west to east. The strongest winds will blow from the Charente archipelago to the Massif Central between midday and night from Friday to Saturday. In the departments placed in orange vigilance, the gusts will be between 90 and 110 km / h inland with peaks at 120 km / h on the coast. Such a situation is rather rare in April.
All day, the weather is disturbed over France with moderate rain from New Aquitaine to the Alps and the Jura. The wind is already blowing hard with gusts of around 60 to 80 km/h in many departments, including those placed on orange Wind vigilance.
When Storm Diego passed over the country, the wind will become strong then locally violent in the afternoon over part of Poitou-Charentes, northern Aquitaine, Berry, northern Limousin and the Massif central up to the Cévennes, with gusts of 80 at 100 km/h inland, locally 110, even 120 on the Charente coast, on the relief and certain valleys of Auvergne. From the Pays de la Loire to the south of Paris, over the Grand Est and the South-West in the afternoon, the wind will blow between 70 and locally 90 km/h.
Rain and thunder
In terms of precipitation, a new wave of rain will quickly invade a large northern half of France in the morning. Precipitation will be temporarily sustained and sometimes mixed with thunderclaps from Brittany and Normandy to Ile-de-France and the Grand Est.
In the afternoon, snow may mix with rain on the Normandy hills, in the interior of Upper Normandy and from the south of Picardy to the Ardennes and the Lorraine plateau. It can locally and very temporarily whiten the soil.
From Franche-Comté to the Alpine massif, it will still rain durably and copiously. Snow will fall in quantity above 1,800/2,000 m in the northern Alps.
Precipitation will be more irregular in the center west, weak and scattered in the afternoon in the south-west and the Rhône valley. The Mediterranean rim will retain dry and bright weather, temporarily overcast. In Corsica, violent gusts will be feared until early morning on the relief and the north of the island. The wind will then lose some vigor.
In the morning, it will be between 3 and 8 degrees on the northern third, 7 to 12 going south, 12 to 15 on the shores of the Mediterranean. In the afternoon, the maximum temperatures will reach 17 to 21 degrees south of the Garonne and in the Mediterranean regions, locally 23/24 on the Côte d’Azur, at best 6 to 9 degrees north of the Seine, and 10 to 16 for the rest of the country.