Hot air wafted through the heavy, gold-lined doors of a Las Vegas casino as they opened, offering a reminder of a disaster quietly unfolding outside. Even though the sun had just set on an evening in mid-July, temperatures were yet to dip below 100F (37C).
Spawned from a paved-over oasis in the Mojave, this desert metropolis has always been hot. But a string of brutal heatwaves this summer has pushed Sin City to a deadly simmer.
