Heat wave scorches US East Coast as dangerous temperatures expand to West ReutersParts of East may see 100-plus degree weather; floods swamp Iowa, S.D. USA TODAYRecord-breaking heat wave sets its sights on the South as Midwest recovers from disastrous flooding CNNHeat Wave Cities Along the East Coast Bear the Worst Conditions The New York TimesHeat Wave Begins: Heat Records Reached In These Cities Forbes