
Cities across the Midwest and eastern U.S. braced Sunday for another day of dangerously hot temperatures as a rare June heat wave continued to grip a portion of the country.
The temperature had already reached 80 degrees Fahrenheit (26.6 degrees Celsius) in the Chicago area by 7:30 a.m. Sunday, according to the National Weather Service. Forecasts called for heat indices of between 100 and 105 degrees F (37.7 to 40.5 degrees C).