
Map shows heat dome set to break centuries-old temperature records across US
A heat dome has started to blanket the US and is expected to bake more than 30 states with high temperatures that could shatter centuries-old records.
The heat dome started today, the first day of summer, and will roast much of the country into next week.
More than 100million Americans are under heat warnings from the Northeast to the Central Plains.
A heat dome is a high-pressure system that traps hot air and simultaneously blocks cool air. More Trending
It causes prolonged heat waves.
On Friday, temperatures in central states including Illinois, Colorado, Kansas, Iowa, Missouri and Nebraska reached the upper 90 degrees Fahrenheit and lower 100s, according to the National Weather Service.
This weekend, the heat dome is expected to move east and bring the heat to the Ohio Valley, mid-Atlantic region and the Northeast.
On Saturday, temperatures in New York City are forecast to reach the low 90s. On Sunday, temperatures in Boston and Philadelphia are expected to hit the mid-90s.
Get in touch with our news team by emailing us at webnews@metro.co.uk.
For more stories like this, check our news page.
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