A woman shields herself from the sun with an umbrella as she walks in the garden of the Palace of Versailles, outside Paris, during a heat wave with temperatures soaring above 40 degrees Celsius (104 Fahrenheit), Monday, June 22, 2026. (AP Photo/Thibault Camus)

A woman shields herself from the sun with an umbrella as she walks in the garden of the Palace of Versailles, outside Paris, Monday, June 22, 2026. (AP Photo/Thibault Camus)

Two women take a drink into a river in Lille, northern France, Monday June 22, 2026. (AP Photo/Jean-Francois Badias)

A young man dives into the water, in Lille, northern France, Monday June 22, 2026. (AP Photo/Jean-Francois Badias)

People cool off in a water spray at the Eiffel Tower in Paris, Sunday, June 21, 2026. (AP Photo/Michel Euler)

A man shields himself from the sun with a scarf as he walks in the garden of the Palace of Versailles, outside Paris, during a heat wave with temperatures soaring above 40 degrees Celsius (104 Fahrenheit), Monday, June 22, 2026. (AP Photo/Thibault Camus)

FILE - Margarita Salazar, 82, wipes the sweat off with a tissue inside her home amid hot weather in Veracruz, Mexico, on June 16, 2024. (AP Photo/Felix Marquez, File)

A sign advising fans of a weather delay is displayed during the World Cup Group I soccer match between France and Iraq in Philadelphia, Monday, June 22, 2026. (AP Photo/Matt Rourke)