Key Points

• According to Météo France, which has issued an orange alert for Tuesday, August 12, 2025, for the eight departments in our region: “A heat wave is currently affecting the southern half of France and is expected to spread on Tuesday toward the central-east and northeast.”

• A regional analysis of emergency care utilization indicates an increase in the iCanicule composite health indicator (including heatstroke, dehydration, and hyponatremia) on Sunday, August 10, 2025, in the region’s emergency departments. It is too early to determine whether this trend will continue into the beginning of the week.

• 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 heat.