The extreme heat poses significant health risks, particularly for vulnerable groups such as older adults, children, outdoor workers, and those without air conditioning. Prolonged exposure can lead to dehydration, heat cramps, heat exhaustion, and life-threatening heat stroke. The NWS has highlighted a 'major heat risk' for affected areas. Additionally, the heat may strain power grids due to increased air-conditioning demand and create hazardous conditions for outdoor activities, especially in desert regions and the Grand Canyon. Wildfire risks may also rise as the heat dome persists.