Forecasters cite 'dangerous' conditions as heat scorches Midwest while on its way to the East

Dangerous heat conditions with heat indexes exceeding 100°F (37.8°C) are affecting the Midwest and Great Lakes regions, prompting warnings about heat-related illnesses. Detroit and surrounding states like Michigan, Illinois, and Ohio are under extreme heat warnings, while the heat is expected to shift to the East, including the Northeast, through the Fourth of July. Community responses include opening cooling centers, offering free air conditioners, and canceling events like parades.