Massachusetts is in for a scorcher before the Fourth of July arrives, with temperatures late this week expected to rise into the 90s and possibly crest 100 degrees in some areas.
Some meteorologists and news organizations have described the impending conditions as a “heat dome” that will sit over the eastern United States between Wednesday and Friday.
“Heat dome” is not necessarily a scientific term, said Rob Megnia, a meteorologist at the National Weather Service’s regional office in Norton…