KELLY MCEVERS, HOST: People who live in the southwest of the U.S. are used to the heat, but...</s>IRIS HERMOSILLO: Whew. It has been sizzling hot these last few days.</s>KELLY MCEVERS, HOST: That's meteorologist Iris Hermosillo. Even she can't believe the temperatures in Phoenix, Ariz., the last few days. She's with KNXV-TV.</s>AUDIE CORNISH, HOST: The high today was about 110 degrees, a bit of a relief compared to yesterday's 115 or Sunday's 118.</s>IRIS HERMOSILLO: Your skin just feels like it's burning. It's as if you opened up that oven door and that first hot air - blast of hot air hits your face. That's kind of what it feels like when you step outside when it's 115-plus or 110-plus.</s>AUDIE CORNISH, HOST: The heat wave stretches across most of the Southwestern U.S. At least four people have died, and the temperatures are fueling several wildfires.</s>KELLY MCEVERS, HOST: In Phoenix, an excessive heat warning is in place through Thursday night. Iris Hermosillo says that limits any outside activities.</s>IRIS HERMOSILLO: Indoors, indoors, indoors - that's the place to be. And then just stressing to stay hydrated. Don't wait until you're thirsty. Make sure that you know the signs of heat stroke.</s>AUDIE CORNISH, HOST: Those include nausea, skin that's hot to the touch and not sweating. Hermosillo says watch out for pets, too. And remember, it's temporary.</s>IRIS HERMOSILLO: We can endure three months of this for the, you know, rest of the year that's pretty picture-perfect.</s>AUDIE CORNISH, HOST: Stay safe out there.
Meteorologist Iris Hermosillo describes the extreme heat residents of Phoenix are experiencing.