A lot of postal carriers are braving the record heat to deliver your mail.
Temperatures Tuesday reached 113 degrees in Las Vegas -- a new record. The high reached a record 115 degrees Monday.
Mail carriers spend anywhere from 6 to 10 hours a day in the sun.
Postal worker Steve Carvajal says there's really no secret to staying cool.
Carvajal says the best piece of advice is the one you've already heard over and over again, stay hydrated.