Weekend weather: great improvement for Heritage Days

Between a low pressure system which will evacuate towards central Europe and the strengthening of an anticyclone over Ireland, the weather will improve over the whole of France. But the northerly flow will cause a marked drop in temperatures, which will be below seasonal averages, especially in the morning. In this context, small early white frosts could appear at low altitude, even in the plains, in the countryside. We will also note the persistence of cloudy weather in the northeast, the arrival of the first small snowfalls on Saturday on the Jura and the Northern Alps at 1600 m altitude and a strong gale on Corsica.

Credit: The Weather Channel

An improving weekend

Saturday, sunny spells will be generous in the west. North of the Seine as far as Rhône-Alpes, on the other hand, the sky will be cloudy and the risk of showers present towards the Belgian and German borders, in the cool. On the ridges of the Jura and on the Northern Alps, a dusting of snow will fall from 1600 m, which is usual at this time of the year. Near the Mediterranean, you will have clear weather under the effect of a very strong wind. Mistral and tramontane could reach 100 km/h while the westerly wind could reach the storm on the Corsican capes. A few isolated storms could also break out on the Nice Riviera.

Sunday, the conditions will change little, with the maintenance of sunny weather in the west and south and more cloudy in the east and north, although improving. In the Mediterranean, the mistral and the tramontane will have dropped significantly compared to the day before, blowing at around 70 km/h. From the Alpes-Maritimes to Corsica, sun and clouds will alternate but the risk of thunderstorms will disappear. The sun will be a little veiled in the west, but it is certainly on these regions that the weather promises to be the most pleasant, despite the good freshness of the morning.

Falling temperatures, risk of light frosts in the morning

With the direction of the wind to the North, temperatures will drop sharply compared to the week. It will be cool in the morning, between 5 and 14°C from north to south, with a possible risk of white frost in the north-west of the country in the countryside (Brittany, Normandy). In the afternoon, the maximum will generally range between 15°C near the English Channel and 25°C in the Mediterranean regions. These will be temperatures 1 to 3°C below average. The cooling will be accentuated by the wind, and will be especially marked in the mountains, with altitude. It will be necessary to think of taking the sweaters out of the closet in the morning and relighting a few small outbreaks of fireplace!

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