A heat dome blanketing the southwest and Texas has caused widespread hazardous conditions for tens of millions of Americans as forecasters predicted record highs in the regions.
More than 23 million Americans were under some level of heat advisory or warning early Wednesday, according to Heat.gov . The National Weather Service is warning of “major” and “extreme” levels of heat risk in large swaths of the southwest and Texas as well as parts of the Gulf Coast.
“Hazardous heat continues across Texas and the Gulf Coast with temperatures in the triple digits,” the weather service said Tuesday…