Extreme heat to ‘engulf’ eastern U.S. where many will see hottest days of the year

Dangerous heat is forecast to “engulf” much of the eastern half of the United States as extreme temperatures spread from the Midwest into the Northeast and mid-Atlantic where some residents will see their hottest temperatures of the year, according to the National Weather Service.

Although much of the country does not cool much on normal summer nights, night temperatures are forecast to stay hotter than usual, prompting excessive heat warnings from the Plains to the East Coast.

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