America is set to feel the heat this weekend with more than 100 million people under deadly heatwave alerts and temperatures set to hit record highs.
The sweltering heat will be felt over much of the highly populated Interstate 95 corridor and the humidity will only make matters worse.
Temperatures are expected to be around 95 degrees from the central and southern Plains to the East Coast.
This combined with the humidity will push the heat index to as high as 110 degrees, placing millions of Americans under heat alerts.
People are being warned to take the impending heatwave seriously and stay cool as temperatures will not drop much during the night.
The sweltering heat will be felt over much of the highly populated Interstate 95 corridor and the humidity will only make matters worse
America is set to feel the heat this weekend with more than 100 million people under deadly heatwave alerts and temperatures set to hit record highs. Pictured: Victim of heat stroke in Philadelphia
There is a heat emergency in Washington, D.C., where temperatures could surpass 100 degrees for the first time since 2016.
The dangerous heat will be felt over parts of themid-Atlantic and Ohio Valley and it will expand into other areas astemperatures hit record highs.
There are alerts in southern and central California, which includesColusa County, where firefighters are battling a fire, which spans across19,100 acres.
Temperatures there are expected to be between 100 and 106 degrees, which will not help fire crews.
There won't be much respite from the heat during the night, a factor that will only increase health risks.
D.C. mayorMuriel Bowser confirmed the extended heat emergency will remain active over the weekend and into next week.
Thennie Freeman, director of the department of Parks and Recreation, said they are asking people to avoid overheating.
'Heat exhaustion is a real thing. And so we want our residents to be safe from extreme heat,' he told CBS News.
'Drink plenty of water, wear loose fit clothing, wear a hat, stay out. Avoid the heat in the sun during these peak hours as much as possible.'
While Maryland governorWes Moore signed astate of preparedness declaration on Thursday due to concerns over the heatwave as temperatures will feel up to 110 degrees.
There is a heat emergency in Washington DC where temperatures could surpass 100 degrees for the first time since 2016
The high temperatures combined with the humidity will push the heat index to as high as 110 degrees, placing millions of Americans under heat alerts
New York City will experience temperatures of 90 degrees and higher this weekend and early next week.
The National Weather Service issued a heat advisory for the city for the first time this year.
Chicago broke a 1957 temperature record at a high of 97 degrees on Monday with the city's heat index expected to peak near 100 degrees later this week.
More than 100 cooling centers have been opened around Phoenix, Arizona, including two all-night services, after temperatures hit 112 degrees last Saturday.
A record 645 people were killed by the heat in the city last year, and weather service forecasters say the first two weeks of June were the hottest start to the month there in history.
As temperatures soar across the US, experts are warning of the dangers of deadly heat stroke — which can start to develop after just 10 minutes of sitting outdoors in many parts of the country.
More than 100 cooling centers have been opened around Phoenix, Arizona, including two all-night services, after temperatures hit 112 degrees on Saturday
People are being warned to take the heatwave seriously and stay cool as temperatures will not drop much during the night
Already the leading weather-related killer in the US, the heat is leading officials to warn the millions in the heatwave's area to take the next few days' climate 'seriously,' or risk becoming one of the 700 Americans who die from it each year.
This week, two tourists, including one American, were found dead in Greece amid a 'history making' heat wave, with temperatures topping 109 degrees.
The human body has a narrow temperature window within which it can carry out vital functions, between roughly between 98 and 100 degrees.
Experts have told DailyMail.com that the 'cascade of events' leading to heat stroke start within seconds of being exposed to extreme heat — over 90 degrees — including sweating, fast heartbeat, and dehydration.
In just five to 10 minutes, the heat strips blood away from vital organs like the brain, leading to confusion, dizziness, and passing out.
And it takes only 15 minutes for the body to fully enter heat stroke and 'a complete loss of body function.'
