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Heat dome returns; dangerous temperatures expected

Though heat domes are common in summer, this one is notable for its strength and the large portion of the U.S. it will affect.

Published Jul 11, 2026, 8:24 AM EDT | LehighValleyLive

A heat dome is returning and is expected to produce dangerous temperatures in the coming days. While heat domes occur each summer, this one stands out because of how strong it is and how much of the U.S. it will affect.