Scientists Are Using A.I. to Forecast Weather at the Paris Olympics

At the 2024 Paris Olympics, the city’s unpredictable weather has taken center stage. Starting off with a downpour during its opening ceremony that soaked more than 10,000 participating athletes, subsequent rainfall has postponed matches in skateboarding and tennis. Now, the summer games are bracing for a heat wave across both Paris and the city of Marseilles, where competitions in soccer and sailing will be held.

A handful of meteorological services and universities are using this year’s...