Heat wave in forecast for USA: Cities try to keep residents safe USA TODAYMidwest, Northeast to be broiled by first life-threatening heat wave of summer Yahoo! VoicesRecord Heat Ahead For Midwest, Northeast | Weather.com The Weather ChannelNortheast could be walloped by season’s first heat wave as sweltering temperatures loom New York Post A heat wave could be coming to Lancaster County; here’s what’s in the forecast LNP | LancasterOnline