More than 160 million people — nearly half the U.S. population — are under heat alerts as of Thursday.

How this extremely hot summer compares to previous years so far.

The National Weather Service has issued heat warnings and watches for much of the Midwest and East heading into the holiday weekend. In many places, the temperatures could shatter…

A prolonged, dangerous heat wave will continue to intensify across most of the central to eastern U.S. into the Fourth of July weekend.

More than 60 million people are currently under heat alerts, weather service says.

Forecasters warn of scorching conditions in the Midwest and Great Lakes states. The Northeast is up next.

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

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

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 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 major cities through the Fourth of July 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

More than 160 million people — nearly half the U.S. population — are under heat alerts as of Thursday.

NEW YORK: Pools were packed and power grids strained as millions of Americans sweltered in stifling heat and humidity Thursday, with dangerous temperatures expected to hit major…

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 dome arrives just before the Fourth of July weekend, when AAA predicted 72.2 million Americans would travel.

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