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Millions under extreme heat warnings for July 4 weekend

As Independence Day begins, millions in much of the central and eastern United States are under extreme heat warnings.

Published Jul 3, 2026, 11:03 AM EDT | WFMZZ

As Independence Day celebrations kick off, millions of Americans in much of the central and eastern United States are under extreme heat warnings. The alerts cover large portions of the central and eastern U.S. during the July 4 weekend.