Dangerous heat returns Fri., risk of evening storms
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More than 100 million Americans are under heat alerts as the extreme temperatures that have smothered the Midwest this week arrive on the East Coast.
Much of the U.S. is under extreme heat warnings or advisories while New York, Philadelphia and Washington could feel like 100 degrees or more.
At least 100 Americans are on alert for dangerous heat and humidity -- stretching from Texas to Maine -- on Friday.
An intense heat wave threatens millions of people across the Southeast with temperatures reaching 115 degrees through midweek.
A punishing heat wave will bring hot temperatures to eastern US and linger for several days, underscoring how climate change heats things up.
A Heat Advisory remains in effect with heat indices ranging from 100 to 110 degrees, and temperatures are expected to continue to rise until a cold front brings a cooldown on Wednesday night.
The National Weather Service released an updated extreme heat warning at 12:53 p.m. on Friday in effect until 9 p.m. for Eastern Montgomery and Lower Bucks as well as Delaware and Philadelphia counties.