Key Points

• According to Météo France, “On Tuesday afternoon, temperatures will rise compared to the previous day (…) Locally, highs of 40°C are possible in northern Yonne. (…) Wednesday afternoon is expected to mark the peak of this heat wave (…) before maximum temperatures likely drop on Thursday afternoon.”

• A regional analysis of emergency care utilization indicates that the iCanicule composite health indicator (including heatstroke, dehydration, and hyponatremia) has remained stable since the start of the heatwave. This trend falls within the expected fluctuations for the current weather conditions and is observable across the region as a whole.

• Heat poses a health risk to the entire population. The observed health impacts underscore the importance of implementing preventive measures to mitigate the effects of the heat.