This week, over 100 million Americans are under dangerous heat alerts as a record-shattering heat wave, fueled by a persistent heat dome, spreads from the West to the East. Meteorologists have warned of exceptionally high temperatures, with some regions expecting to reach up to 117°F (47°C) and daily and all-time records at risk of being broken. The intense heat is accompanied by extreme humidity, with many cities facing record overnight temperatures and no immediate relief in sight. The situation is exacerbated by deadly conditions, as reports indicate at least 25 fatalities related to the extreme heat. As the heat dome persists, cities from the Central to the Northeast brace for relentless heat, raising concerns over health risks and the potential for further heat-related tragedies.