Summer heat will linger across much of France on Sunday, with a few local exceptions. Weather services expect the polar jet stream to wave overhead. After that shift, temperatures may turn noticeably cooler, with cooler air timing differing by region.

Regional forecasts continue to show a warm pattern in parts of the south. Some areas will stay hot for a longer stretch, while some spots could get the cooler air ahead of the rest. Exactly when it arrives varies by place.