- Up to 200 million people could be hit from the central US to the East Coast.
- New Orleans had a heat index of 120 degrees from 1pm Friday.
- New York officials canceled the Central Park Festival OZY Fest and the NYC Triathlon.
- The New York Giants' former offensive lineman Mitch Petrus died of an apparent heat stroke in Arkansas.
A dangerous heat wave is sweeping through much of the Central and Eastern United States, which could affect up to 200 million people. Heat indices of over 1
Parts of the upper Midwest and along the east coast are exposed to temperatures that feel like 110 degrees. The National Weather Service said it could set some 120 record highs – meaning there will be little relief at night.
The Arkansas heatwave became deadly, and former New York Giants lineman Mitch Petrus died Officials said it was an obvious heat stroke.
Two fires hit Wisconsin.
The State Governor of Wisconsin declared a state of emergency following two fires at substations in Madison. Tony Evers said the statement had been issued to "provide support during the major blackout that is exacerbated by the region's extreme heatwave," said CBS Madison subsidiary WISC. The heat index value for Madison means temperatures that felt like 103 degrees on Friday.
The Declaration authorizes the activation of the National Guard, if necessary, and instructs government agencies to provide assistance. The guard had not been activated since Friday evening.
Higher dew points in the upper midwest than in Florida
Higher dew points that measure humidity are measured in the upper midwest than in Florida, CBS Jeff Berardelli, contributor for climate and weather, reports. There are dew points in the high 80s and even up to 90s that are near record levels.
Hospital shows children's threat in hot cars
So far, 21 children have died this year, after being left in hot cars – a risk that rises as the temperature rises. Chicago's Lurie Children's Hospital has shown how hot a car can become. The temperature rose from 96 to 124 degrees in half an hour.
The high heat is especially dangerous for outdoor workers. To keep Chicago cool, hundreds of green lanes of materials have been built in the city that absorb less heat than black asphalt. New York City also has a program that paints roofs white to reflect the sun.
– Adriana Diaz
Boston is expected to reach 100 degrees 100 degrees in Boston. CBS Boston reports that the city only had 25 times more than 100 temperatures in the nearly 150 years Boston records were kept.
The record high for the 20th of July is 99 degrees.
National Weather Service issued a "Warning of Excessive Heat" warning for most of southern New England on Saturday expecting heat indications near 110. Nantucket was the only area that was not under the warning.
More Three-Digit Heat Indices Toward  Jeff Berardelli, a climate and weather researcher from CBS News, reported on a new study by the Union of Concerned Scientists, which found by 2050 that the number of days on which the Heat index reaches 105, will triple. At the beginning of the next century, there could be as many extreme heat spells in Boston as in Columbia, South Carolina.
While heat waves could become more frequent and extreme as a result of climate change, Berardelli noted that this is not possible. Tell if this particular heatwave is the result of climate change.
OZY Fest in New York canceled
The Central Park Festival OZY festival was canceled due to the heatwave, New York officials said Friday.
"In the case of OZY Fest we either have a contract for rain events or extreme heat events and we have the right to cancel if the heat index exceeds 105 [degrees]," said NYC Park Commissioner Mitchell J. Silver Statement Friday. "We decided for both days that this would be the case when we received updated information.
The festival promoted John Legend, Trevor Noah, Miguel, Tove Lo, Alex Rodriguez, Megan Rapinoe, Rachael Ray, and Padma Lakshmi. Spike Lee and 2020 Democratic Hope Beto O'Rourke as guests.
Ex-NFL player dies of heat stroke
Mitch Petrus, the former offensive lineman of the New York Giants, died of heat stroke in Arkansas. He was 32 years old.
According to Gerone Hobbs, coroner in Pulaski County, Peter died Thursday night at a hospital in North Little Rock. He says Peter worked all day out in his family business and his cause of death was a heat stroke.
Peter was a member of the University of Arkansas, who played alongside the Razorback greats Darren McFadden and Felix Jones, and later earned All-Southeastern Conference honors. He was drafted by the Giants in the fifth round in 2010 and had a three-year NFL career, winning a Super Bowl with New York in his second season.
NYC beaches and pools remain open until late at night.
The mayor of New York, Bill de Blasio, announced that the city's beaches and pools will remain open later than usual. Olympic pools and mid-sized outdoor pools are open from 11:00 to 20:00. The beaches are open from 10:00 to 19:00.
According to the mayor's decree, all office buildings that are 100 feet and above must set their thermostats to 78 degrees to save energy by Sunday night. At a press conference on Friday de Blasio said this was the first time.
The city's cooling centers are open from 8:00 pm to 5:00 pm. and in some cases there will be extended hours, said de Blasio.
The New York City Public Library announced that it will open five more stores in Bronx, Manhattan and Staten Island on Sunday, July 21st.
] Biscuit baked in car in Nebraska
The National Weather Service in Omaha, Nebraska, baked cookies in a parked car, using only the heat of the sun. The agency put four biscuits on a baking tray and then left them standing in the sun on the dashboard of a parked car to begin the experiment.
Over the next eight hours, the weather service shared updates on the state of cookies with do.
After about 45 minutes the biscuits began to rise, and after one hour the pan temperature reached 175 degrees. "This is a good time to remind everyone that your car is actually getting deadly hot," tweeted the agency . On average, every year 38 children die in hot cars. Do not be statistics! "
At the five-hour mark the agency reported the top of the biscuits were baked, and even the temperature in the shady part of the car had reached 144 degrees.
" And after nearly 8 hours in the sun, the outside of the biscuit is actually edible, "wrote the agency in its latest update ." The center is still rather doughy. The maximum temperature in the pan was 185! "
– Sophie Lewis