Dangerous heat dome traps over 70 million under heat alerts across the Southeast
02:36
Dangerous heat dome traps over 70 million under heat alerts across the Southeast
Millions across the Southeast and Mid-South are bracing for a week of relentless temperatures, with over 40 million Americans facing extreme heat risks and more than 70 million under heat alerts. FOX Weather Meteorologists Britta Merwin and Craig Herrera break down the dangerous heat dome:
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