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The Île-de-France region is placed on a red heatwave alert!

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The Editor

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Météo-France has placed 16 French departments under a red heatwave alert tomorrow, Tuesday, July 1, 2025. Île-de-France is one of them. 

This is the news we were most dreading. After 84 French departments were placed on orange heatwave alert on the morning of Monday, June 30, 2025, this afternoon, Météo-France announced that 16 departments, including several in Île-de-France, will move to red vigilance on Tuesday, July 1, marking the highest level of alert. According to the meteorological institution, « the peak of this intense heat will be reached between Tuesday and Wednesday». In France, «maximum temperatures reaching 36 to 40°C with some peaks at 41°C » are expected. The red heatwave alert hasn’t been activated since 2023. 


Red Alert, what does it mean?

According to Météo France, a red alert “corresponds to a severe heatwave, exceptional in its duration, intensity, geographical extent, and has a significant health impact on the entire population and societal impacts (drought, drinking water supply, adjustments or stoppages of certain activities…).”

In addition to Île-de-France, areas like Aube, Yonne, Loiret, Loir-et-Cher, Cher, Indre, Indre-et-Loire, and Vienne will be affected by this maximum alert level.


Stay hydrated and find cool places

During extreme heat, it is essential to stay hydrated.

Stay hydrated by drinking water throughout the day. Cooling your body and using fans is also recommended. Avoid intense physical activities or going out during the hottest hours. It’s also a good idea to limit heat from entering your home by keeping shutters and curtains closed. 

On the company side, employers are required to take "necessary measures to ensure safety and protect the physical and mental health" of employees, according to the Labor Code. The air should be refreshed regularly, cold water should be provided, and workstations should be optimized. For construction workers, a minimum of 3 liters of water must be made available daily, schedules should be adjusted to limit work during peak heat hours, and shelters should be set up.proposed to workers. 


Heatwave Info service : 0800 06 66 66
Emergency Medical Service : 15