"The No. 1 thing is to absolutely know your limitations and to stay hydrated by drinking plenty of water," Chris Stachelski, a meteorologist with the National Weather Service in Las Vegas, advised those trying to cope with the high temperatures.
He recommended limiting time outdoors. For those who have to do any strenuous activity outside, he advises doing it in the early morning, evening or simply putting it off until the end of the week when the temperatures are lower.
Heat stroke symptoms include hallucinations, chills, confusion and dizziness, along with slurred speech.
To protect against heat stress, the CDC advises spending time in air-conditioned places, staying informed of heat warnings and drinking lots of fluids.
Don't forget the pets
The same advice goes for dogs, who can quickly develop heat stroke.
"Most of the time people didn't realize, it certainly was not intentional, and they bring them in very quickly when they realize that there is a problem," Brandi Garcia, a critical care specialist at Emergency Animal Clinic in Gilbert, Arizona, told CNN affiliate KNXV.
Just like with their human friends, dogs do best with plenty of water and limited exposure to the high temperatures. Also, asphalt can burn your pet's paws.