A scorching heat wave was expected to blanket the U.S. Southwest beginning on Wednesday and push temperatures over 100 degrees F for the rest of week, leading forecasters to warn residents to stay indoors and avoid strenuous activities.
Afternoon temperatures are forecast to soar well above 100 degrees Fahrenheit across southern Texas, Arizona, and up through Central California and into Western Nevada until Sunday evening, the National Weather Service (NWS) said in several advisories.
