Extreme heat has prompted event cancellations and delays as millions celebrate America’s big birthday.

The nation is gripped in a dangerous heat dome. Threatening millions of people in the Midwest and Eastern United States.

Multiday warnings of extreme heat have landed in New York, Boston and Philadelphia. The sultry weather has pushed east just ahead of weekend Fourth of July events in a region that…

Cities open cooling centres, extended pool hours and urged residents to conserve electricity

Blistering temperatures and humidity gripped swaths of the United States on Wednesday (local time), with the worst yet to come for the densely populated East Coast as the nation…

With temperatures forecast to reach up to 42 degrees, the US president told an audience he planned to make a long speech, “just to show that I can do anything”.

Gaining freedom from the heat will be a challenge this Independence Day in the eastern U.S., and it's already starting ahead of the holiday weekend.

A heat wave over the Fourth of July weekend could put millions at risk of heat-related illnesses. Here’s what to do to stay safe—and why you don’t just need to drink lots of water

Millions of Americans sweltered in stifling heat and humidity Thursday with dangerous temperatures expected to hit swaths of densely populated areas through the Fourth of July…

National Weather Service warns heat index could reach 115F as extreme heat grips midwest, Ohio Valley and east coast

High humidity is expected to make conditions feel even hotter

With bigger fireworks celebrations across the US, cities are expected to experience poor air quality under historic heat.

Dangerous heat wave threatens U.S. Fourth of July celebrations-

Kurz vor den Feiern zum 250-jährigen Bestehen der USA erreichen die Temperaturen im Zentrum und Osten bis zu 40 Grad. New York öffnet öffentliche Gebäude als Kühlzentren.

July 4 heatwave: A severe heatwave is gripping millions across the US, threatening July 4th celebrations with record-breaking temperatures and dangerous humidity. Outdoor events…

Festivities marking the 250th anniversary of American independence are ramping up across the United States

A 'prolonged, dangerous heatwave' is sweeping across the central and eastern United States, just hours ahead of the Fourth of July holiday. The temperature is expected to go up to…

Fourth of July weather update: Millions across the eastern United States face dangerous heat this Fourth of July weekend, with temperatures potentially reaching 115 degrees…

The parade is not the only event that has been canceled or altered by the record heat this weekend.

More than 250 million Americans are experiencing a dangerous heat wave that has already spoiled some Fourth of July plans.

More than 250 million Americans are experiencing a dangerous heat wave that has already spoiled some Fourth of July plans.