Extreme heat alerts persisted for tens of millions of individuals in the United States on Tuesday as cities like Chicago experienced record-breaking temperatures at the onset of a week marked by scorching weather. The National Weather Service issued warnings for states in the Midwest, signaling a dangerous and prolonged heatwave expected to stretch from Iowa to Maine until at least Friday.
Chicago set a new temperature record on Monday, reaching a high of 97 degrees Fahrenheit (36.1 degrees Celsius), surpassing a previous record from 1957. The National Weather Service in Chicago cautioned that hot and muggy conditions would persist throughout the week, with peak heat indexes nearing 100 F (37.7 C) at times.
