The extreme heat poses health risks, particularly for vulnerable populations such as the elderly, children, and those with pre-existing conditions. Heat indices above 100°F (37.8°C) can lead to heat-related illnesses like heat exhaustion or heat stroke. Beachgoers in NYC and Long Island should also be cautious of high rip current risks. The heat wave may disrupt outdoor activities, including the World Cup final on Sunday, which could see stormy weather. Residents are advised to stay hydrated and avoid prolonged outdoor exposure during peak heat hours.