A powerful heat dome is just one of the extreme weather hazards coming next week CNNPittsburgh gets a comfortable Saturday before the heat starts building on Sunday CBS PittsburghIt’s Time to Sweat. The East Coast’s First Heat Wave Is on the Way. The New York TimesHeat Wave Could Affect More Than 100 Million People Next Week ForbesThe Daily Weather Update from FOX Weather: Potentially historic heat wave looms for Midwest, Northeast Fox Weather