Millions of Americans prepared to sweat through yet another scorching day, with the potential for rolling storms later Sunday to bring relief from the sweltering heat for at least some. Floodwaters inundated parts of the Midwest, including a town in Iowa evacuated after being submerged up to the rooftops.
Across the country in California, daily highs in the state’s Central Valley were expected to stay in the triple digits (over 37 Celsius) into Monday.
