The peak of intense heat announced for this weekend is expected to last 48 hours in most areas. But it will persist longer from the middle Rhône valley to Savoy. Météo France has therefore placed six departments on orange alert for the heatwave, this Wednesday: Ardèche, Drôme, Isère, Rhône, Savoie and Haute-Savoie.
Temperatures will be high the next night in the Rhône valley and in the greater Lyon area, generally above 20-22 ° C. Thursday, the mercury will be up with expected afternoon temperatures of 34 ° C to 38 ° C in general, locally 39 ° C. The following night will be hot, even hotter than the previous one. This episode of hot weather will intensify further on Friday, with maximum temperatures forecast locally above 40 ° C, close to the records reached in July 2019.
🔶 6 deposits in #vigilanceOrange
Stay informed on https://t.co/rJ24zzmmy4 pic.twitter.com/okUFE3STYB
Temperatures should remain very high during the day on Saturday and overnight from Saturday to Sunday, before a start of cooling during the day on Sunday.
Elsewhere, Thursday promises to be sunny and very hot. In the mountains to the south, the weather will become stormy from midday. On the Massif Central and the Alps, in the afternoon, sometimes strong thunderstorms will break out with the risk of hail and good gusts of wind. The risk is lower on the Pyrenees and the Corsican mountains, but showers are not excluded.
34 to 40 degrees from the Alps to the southwest
In the rest of the country, the sky will most often be azure blue, with very hot weather very quickly. A weak to moderate north-easterly wind picks up on the coast of the Channel in the afternoon, as well as a light wind from Autan in Occitanie.
Minimum temperatures range from 9 to 15 degrees in the northern half, 15 to 23 in the south. The maximums, on the rise, range from 24 to 30 degrees in the departments bordering the English Channel, 30 to 36 degrees in the rest of the northern half, in Corsica and on the edge of the Mediterranean, and 34 to 40 degrees from the Alps to the South. Where is.