The heatwave will likely see record high temperatures, ahead of Fourth of July celebrations and FIFA matches in the US.

A “heat dome” is expected to bring extremely high temperatures to parts of the country.

A heat dome will push indexes to 115°F across the East this week, arriving along with World Cup matches and America 250 celebrations.

A dangerous heatwave is set to engulf large parts of the central and eastern United States from Tuesday through the July 4 holiday weekend. Forecasters have warned of extreme…

Meteorologist Ryan Maue described it as a "mega heat dome" ...