The heat dome has had deadly consequences, with 19 suspected heat-related deaths reported in New Jersey. Vulnerable populations, including seniors and individuals without air conditioning, are particularly at risk. The extreme heat has also strained infrastructure, with power outages affecting nearly 1 million customers across multiple states, including Michigan, Pennsylvania, and New York. Severe thunderstorms accompanying the heat wave have caused additional hazards, such as downed power lines and flash flooding risks. The combination of prolonged heat and storm damage has disrupted daily life and holiday celebrations for many residents.