Météo-France Issues Red Heatwave Alert for 35 Departments

Météo-France placed 35 departments under a red heatwave alert for Sunday, June 21, starting at noon ^[1].

This escalation represents a critical public health risk as the national weather service prepares regions for extreme thermal stress. The red alert is the highest level of vigilance, signaling that the heat may exceed the coping capacity of local infrastructure and public health services.

Forecasters expect temperatures to reach as high as 41°C in certain zones ^[2]. This extreme heat has prompted the agency to designate 35 departments across the French territory as high-risk areas ^[1]. The timing of the alert, beginning midday Sunday, is intended to allow local authorities to activate emergency heat plans and protect vulnerable populations.

Reports on the extent of the heatwave vary across sources. While some data indicates 35 departments are under red alert ^[1], other reports mention 60 departments facing orange vigilance ^[2]. The red alert remains the most severe designation, reserved for the areas where the 41°C peak is most likely to occur ^[2].

Local governments typically respond to red alerts by increasing monitoring of the elderly and ensuring public cooling centers are operational. Because the heat is expected to peak on Sunday, the window for preparation is narrow, requiring immediate coordination between health officials and municipal leaders.

Authorities have advised residents to stay hydrated and avoid outdoor activities during the hottest parts of the day. The intensity of this heatwave is unusual for the date, placing significant pressure on the national power grid as cooling demands surge.