On Tuesday, August 11th, 21 département in France are under an orange level warning for extreme heat as the latest canicule (heatwave) arrives. AdvertisementOrange level heat warnings for Tuesday. Map: Meteo FranceTemperatures are expected to remain high going in to Wednesday, when the orange level heat warnings are extended to cover most of the country. Orange level heat warnings for Wednesday. In less good news, Météo France cannot say for certain when temperatures will fall, but the 'peak' is likely to be on Thursday.