The heatwave reaches a new milestone in Paris and Île-de-France. After several days of extreme heat, the region has been placed under a red heatwave alert since Sunday, June 21, 2026 at 12:00 p.m., an alert level that remains in effect on Monday, June 22 according to Météo-France.
According to Météo-France, the current heatwave is at once intense, prolonged and widespread. After another uptick in temperatures on Sunday, Monday could be even hotter. Maximum temperatures could reach levels rarely seen, with readings close to 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.
The Police Prefecture says outdoor event organizers have been urged to bolster their emergency response contingency plans. Two outdoor sporting events in Paris have been banned by order, while around a dozen other events were cancelled by the organizers after discussions with authorities.
This heatwave red alert also affects the Fête de la musique 2026. The musical performances will have to end at 12:30 a.m., and several security measures are being rolled out across the capital, notably along the Seine riverbanks, in certain neighborhoods, and in the transit network.
Alcohol consumption on the roadway and in public spaces is also prohibited from Sunday, June 21, 2026 at 7:00 AM to Monday, June 22, 2026 at 7:00 AM. Restrictions also apply to certain sections of the Seine quays, glass containers, fireworks, dangerous objects, and unregistered gatherings.
Before heading out to the Fête de la musique, it’s advisable to check each event with the organizers, the town halls, or the venues involved. Some concerts or activities may be canceled, postponed, relocated, or altered at the last minute due to the heat and safety measures.
To help revellers enjoy the night, several metro, RER, Transilien and tram lines run overnight, while the Noctilien network is adjusted to traffic constraints and security perimeters. Authorities urge people to plan their return in advance and to follow the routes advised by Île-de-France Mobilités.
The Police Prefecture also urges people to stay safe near the quays and riverbanks, not to jump into the water, to watch out for pickpockets, and to avoid any dangerous behavior. If you run into trouble, contact 17 or 18.
Before heading out, residents are urged to follow the authorities’ guidance and regularly consult the Météo-France vigilance map, the recommendations of ARS Île-de-France, and updates from the Police Prefecture.
Dates and Opening Time
From June 17, 2026 to June 22, 2026
Location
Paris
75 Paris
