YEEESH!!! Fat people die in that heat.
Drink and WEAR water.
A little break on Friday,the 29th:
https://www.wunderground.com/us/nv/las-vegas/zmw:89044.2.99999
Rent a WHITE rental car.I have heard that people let their engines run for 2-3 hours(While they gamble) to keep the A/C on! Also,employees do that for their 8 hour shift,too.
Yes,I'll drive 3 extra blocks to park in some shade. Park next to a SEMI.