The heatwave in Paris and Île-de-France reaches a new milestone. After several days of extreme heat and an initial orange alert phase, Météo-France places the region under red heatwave alert starting on Sunday, June 21, 2026. This highest alert level signals an exceptional heatwave in terms of its intensity, duration and potential health impact.
According to Météo-France, the heatwave currently gripping the country is at once intense, long-lasting and widespread. A fresh surge in temperatures is forecast for Sunday, ahead of a Monday that could be even hotter. Daytime highs may reach levels rarely seen, with values near or above records in several regions.
The switch to red heatwave alert signals an unprecedented level of danger. Unlike the orange alert, which already flags health risks for the general population exposed, red alert denotes an extreme heatwave likely to have significant health consequences and to disrupt the operation of certain activities.
This level of alert calls for maximum vigilance, even for those in good health. The elderly, young children, the sick, isolated individuals, pregnant women, workers exposed to heat, and people living in poorly ventilated housing are especially at risk.
After already record-high temperatures in recent days, the heat is set to intensify. In Paris and across the rest of the Île-de-France, temperatures could reach or exceed 37 °C, with the heat particularly hard to bear in the city due to the urban heat island.
Nights remain just as hot, with temperatures struggling to fall below 20 °C. These tropical nights make it harder for the body to recover and heighten the heatwave risks, especially for vulnerable groups.
The challenge of this episode lies as much in the peak temperatures as in its duration. Heat builds day after day in buildings, on the streets and in transit, while nights don’t always let homes cool down. In Paris, the asphalt, the density of the built environment and the lack of greenery heighten the sense of heat.
This red heatwave alert also comes amid a context of ozone pollution in Île-de-France. The heat and strong sun promote ozone formation, a pollutant that can irritate the eyes and airways, especially for children, people with asthma, and other vulnerable groups.
During this red heatwave alert, the right precautions must be followed strictly: drink water regularly—don’t wait until you’re thirsty—cool down several times a day, especially the face and forearms, eat enough, avoid alcohol, and stay as much as possible in a cool place.
Authorities strongly advise limiting travel, postponing strenuous physical activity and sports, and avoiding prolonged sun exposure during the hottest hours of the day. Outdoor outings should be prioritized in the early morning or evening, when temperatures are a bit lower.
To shield residents from the heat, the City of Paris lists more than 1,400 free cooling spots, spanning parks, gardens, libraries, museums, air‑conditioned venues, pools and shaded areas accessible to Parisians.
The Canicule Info Service hotline remains available at 0 800 06 66 66. It’s also important to regularly check in on your most vulnerable relatives and neighbors, especially the elderly, those who are isolated, or who are ill.
As we enter red alert, some activities may be adjusted, limited or postponed, notably outdoor events, sports practices, school outings, physical labor, or jobs that involve significant heat exposure.
This heatwave alert of the highest severity also casts a shadow over the Fête de la Musique 2026. With scorching temperatures forecast, many outdoor concerts and events in Paris and the Île-de-France region are likely to be canceled, postponed, or adjusted at the last minute. Before you head out, it’s wise to check with the organizers, the town halls, or the venues involved for the latest information.
This red heatwave alert also affects the Fête de la Musique. According to reports in Le Parisien, prefects must issue orders prohibiting alcohol consumption in public places in departments under red alert, including those in Île-de-France. Authorities are calling for a broader effort to curb and monitor alcohol use to safeguard emergency and healthcare services, already heavily mobilized during this extreme heat episode. Event organizers are urged to locally adapt festivities to the heat’s consequences.
Residents are urged to follow the guidance issued by authorities and to regularly consult the carte de vigilance de Météo-France, the recommendations of the ARS Île-de-France and the information from the Préfecture de Police.
Dates and Opening Time
From June 17, 2026 to June 21, 2026
Location
Paris
75 Paris
