BBC News logo
NBC News logo
CNN logo
15 articles
·10h

Dangerous Heat Wave Sweeps Across Eastern U.S. as Temperatures Soar

An extreme heat wave, fueled by a potent heat dome, is affecting millions in the Eastern U.S., with temperatures reaching historic highs and health risks escalating.


Overview

A summary of the key points of this story verified across multiple sources.

  • The Chicago area recorded 80°F by 7:30 a.m. Sunday, signaling the onset of a dangerous heat wave affecting millions across the Eastern U.S.
  • Approximately 150 million people are under heat alerts, with cities from Philadelphia to Indianapolis facing potentially triple-digit temperatures.
  • A level 4-of-4 extreme heat risk is in effect from the Midwest to the Mid-Atlantic, with some areas expected to see relief by midweek.
  • 33 million people are projected to experience blistering 100-degree heat, with New York and Philadelphia facing their highest temperatures in years.
  • Summers in the U.S. are now 2.4 degrees hotter than 50 years ago, highlighting the long-term warming trend contributing to this early-season heat wave.

Content generated by AI—learn more or report issue.

Pano Newsletter

Get both sides in 5 minutes with our daily newsletter.

Analysis

Compare how each side frames the story — including which facts they emphasize or leave out.

Center-leaning sources frame the heat wave as an unprecedented and alarming event, emphasizing its early occurrence and potential dangers. They convey urgency and concern, highlighting the impact on unacclimated populations. The language used suggests a bias towards emphasizing the severity and historical significance of the weather patterns, reflecting a heightened awareness of climate issues.

Tens of millions of people in the Midwest and mid-Atlantic are facing extreme heat alerts and dangerously hot temperatures during a rare June heat wave.

Associated Press logo
USA TODAY logo
NBC News logo
3 articles
100%

The early summer heat wave poses a significant threat due to people's lack of acclimation to high temperatures.

Fortune logo
NPR logo
2 articles
100%

A near historic heat wave was indicated by a record high pressure measurement.

Fortune logo
NPR logo
2 articles
100%

Almost 75% of the U.S. population will experience temperatures of 90 degrees Fahrenheit or higher.

Fortune logo
NPR logo
2 articles
100%

33 million people will face extreme heat reaching 100 degrees on Tuesday.

Fortune logo
NPR logo
2 articles
100%

New York and Philadelphia have not experienced temperatures of 100 degrees since 2011 and 2012, respectively.

Fortune logo
NPR logo
2 articles
100%

Summers in the United States have experienced a 2.4-degree increase in temperature over the past 50 years due to Earth's long-term warming trend.

Fortune logo
NPR logo
2 articles
100%

Record-breaking high temperatures are forecasted for the upcoming days.

USA TODAY logo
USA TODAY logo
2 articles
100%

Record high temperatures were set in Salt Lake City on June 19 and in Mitchell, South Dakota on June 21, with Mitchell reaching 104 degrees Fahrenheit.

USA TODAY logo
NBC News logo
2 articles
100%

A dangerous and historic heat wave is impacting a large portion of the central and eastern United States this week.

USA TODAY logo
NPR logo
The Guardian logo
3 articles
67%

Philadelphia declared a heat emergency from Sunday to Wednesday, activating services for homeless individuals and a heatline phone number.

Associated Press logo
USA TODAY logo
World News Group logo
3 articles
67%

Articles (15)

Compare how different news outlets are covering this story.

LeftCenterRight
HuffPost
IFL Science
The Guardian
CNN
CNN
NBC News
NBC News
NPR
USA TODAY
USA TODAY
Fortune
Associated Press
BBC News
World News Group
Newsmax

"…The Midwest and eastern US are set to bear the brunt, with “extreme risk” temperatures forecasted across several states on Tuesday, June 24, and Wednesday, June 25, according to the National Weather Service."

Why Eastern Half Of The US Feels Like An Oven This June: The “Heat Dome” Explained
IFL ScienceIFL Science·7h·
Leans Left
This outlet slightly leans left.

"…The National Weather Service has issued several extreme heat warnings and advisories as a dangerous and prolonged wave of high temperatures and humidity blankets much of the central and eastern US."

Tens of millions swelter as heatwave blankets the central and eastern US
The GuardianThe Guardian·1d·
Leans Left
This outlet slightly leans left.

"…An extremely dangerous heat wave is underway for the eastern half of the United States as a potent heat dome reaches its peak, bringing the hottest temperatures of the year so far – the hottest in years for some cities – and putting tens of millions at risk."

A potent heat dome is building over the US, sending temperatures into the triple digits
CNNCNN·1d·
Leans Left
This outlet slightly leans left.

"…The multi-day heat wave, which began over the weekend, has already proven deadly: A woman in St. Ann, Missouri, died Monday of heat-related causes."

Extreme heat blankets U.S., with almost 160 million under alerts from Texas to Maine
NBC NewsNBC News·5h·
Center
This outlet is balanced or reflects centrist views.

"…The rare June heat wave broke about 20 records Sunday and is expected to break more Monday."

Dangerous heat wave grips U.S. with record temperatures
NBC NewsNBC News·1d·
Center
This outlet is balanced or reflects centrist views.

"…An intense and nearly historic weather pattern is cooking much of America under a dangerous heat dome this week with triple-digit temperatures in places that haven't been so hot in more than a decade."

Early-season heat dome brings highest temperatures in years to parts of Eastern U.S.
NPRNPR·13h·
Center
This outlet is balanced or reflects centrist views.

"…An "extremely dangerous heat wave" is continuing to scorch a huge area of the eastern United States on June 23, as tens of millions of people from Kansas to Maine endure "extreme heat risk," according to the National Weather Service."

'Rare' and 'dangerous': Record-smashing heat wave to scorch tens of millions
USA TODAYUSA TODAY·1d·
Center
This outlet is balanced or reflects centrist views.

"…The weather service has issued extreme heat warnings for areas in over a dozen states, as they face the highest temperatures of the year so far."

What's the difference between an extreme heat watch and warning?
USA TODAYUSA TODAY·2d·
Center
This outlet is balanced or reflects centrist views.

"…An intense and nearly historic weather pattern is cooking much of America under a dangerous heat dome this week with triple-digit temperatures in places that haven’t been so hot in more than a decade."

Heat dome bringing ‘near historic ’ heat wave settles over Northeast: ‘Like an air fryer, it’s going to be hot’
FortuneFortune·11h·
Center
This outlet is balanced or reflects centrist views.

"…The heat is expected to persist into the coming week, with the hottest temperatures shifting eastward."

Eastern half of U.S. braces for more long days of dangerous heat
Associated PressAssociated Press·2d·
Center
This outlet is balanced or reflects centrist views.

"…The first major heatwave of the summer is intensifying across the eastern half of North America, triggering health alerts and disrupting daily life for millions."

Millions swelter as heatwave descends on North America
BBC NewsBBC News·5h·
Center
This outlet is balanced or reflects centrist views.

"…The heat wave is the first sizeable one of the year, so many people aren’t yet acclimated to the weather and could face health risks, the agency cautioned."

Sweltering temperatures hit eastern U.S.
World News GroupWorld News Group·1d·
Leans Right
This outlet slightly leans right.

"…Cities across the Midwest and eastern U.S. braced Sunday for another day of dangerously hot temperatures as a rare June heat wave continued to grip a portion of the country."

Eastern U.S. Braces for More Days of Dangerous Heat
NewsmaxNewsmax·2d·
Right
This outlet favors right-wing views.

FAQ

Dig deeper on this story with frequently asked questions.

The heat wave affects millions across the Eastern U.S., with major cities like Philadelphia, New York City, Washington, D.C., Chicago, and Indianapolis facing potentially triple-digit temperatures and heat alerts.

New York City tied its record of 96 degrees set in 1888, Worcester, Massachusetts reached 92 degrees breaking its 1894 record, and Glens Falls, New York hit 97 degrees breaking its 1894 record. Minneapolis also broke records of 90 degrees set in 1900 and 96 degrees set in 1910.

The extreme heat caused roads to buckle, such as in Cape Girardeau, Missouri, where a road snapped and caused a car accident. Amtrak implemented speed restrictions from Washington, D.C. to Boston and a train was evacuated after being stuck in a tunnel near Baltimore due to high temperatures and lack of air conditioning.

Approximately 147 to 150 million people across 28 states in the Eastern U.S. are under various heat alerts, with 33 million expected to experience temperatures above 100 degrees. The intense heat and high humidity increase the risk of heat-related illnesses.

U.S. summers are now on average 2.4 degrees hotter than 50 years ago, indicating a long-term warming trend that contributes to the occurrence of early-season extreme heat waves like this one.

History

See how this story has evolved over time.

  • 10h
    Fortune logo
    NPR logo
    HuffPost logo
    11 articles
  • 1d
    USA TODAY logo
    The Guardian logo
    NBC News logo
    5 articles
  • 2d
    USA TODAY logo
    Associated Press logo
    Newsmax logo
    3 articles