NYT > U.S. News Midwest Cities Bake as Heat Wave Blankets the Central U.S. Par :Chris Hippensteel · Jay Senter · Robert Chiarito and Ann Hinga Klein 21 juin 2025 à 19:47 St. Louis, Chicago and Des Moines were among the cities that saw heat indexes hit triple digits on Saturday, with the East Coast bracing for similar conditions by Monday. © Jim Vondruska for The New York TimesThe heat index was over 90 degrees and climbing by midday Saturday in Chicago.