Heat dome raises temperatures across western and central US

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A heat dome will continue to raise temperatures across large parts of the western and central United States this week, focusing intense heat on the Great Plains, Midwest and along the Mississippi River. Forecasters expect heat across the Southwest and California to persist into the beginning of August, prolonging the current pattern of elevated temperatures. The dome's persistence means many U.S. regions will experience sustained high temperatures over several days, shifting the geographic focus of the heat from central zones toward the Southwest and California as the period progresses.

A heat dome will keep temperatures high into early August.