America’s 250th birthday also marks the final stretch of one of the most intense eastern US heat waves in years — one made worse by climate change.

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

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”.

A dangerous heat wave is tightening its grip on the East Coast, with the worst conditions arriving as millions prepare to celebrate the Fourth of July outdoors.

A dangerous heat wave is tightening its grip on the East Coast, with the worst conditions underway as millions prepare to celebrate the Fourth of July outdoors.

A dangerous heat wave is bringing prolonged extreme heat to more than two dozen states across the Midwest, the South and the East Coast.

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-

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…

The heat wave threatens to overwhelm U.S. grids and may force some to change their plans on one of the busiest travel weeks of the year.

The nation's 250th birthday weekend coincides with a deadly heat wave. Here are some ways to keep cool and potentially save your life.

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…

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.

Dangerous heat dome disrupts American celebrations in Midwest and East Coast with travel delays and health problems

Cities and towns across the U.S. are facing the tough decision of canceling or postponing festivities as a triple-digit heatwave continues.

A punishing heat wave threatened America's July 4th celebrations, World Cup matches and power grids as near-record temperatures scorched the eastern United States on Friday.