Long hours outdoors, day drinking, and World Cup matches are among the factors raising the risks of heat-related illness, as hot weather spreads across the eastern US.

A “heat dome” is expected to bring extremely high temperatures to parts of the country.

A heat dome will push indexes to 115°F across the East this week, arriving along with World Cup matches and America 250 celebrations.

As millions plan to celebrate the Fourth of July outdoors, meteorologists warn temperatures could soar to record-breaking, life-threatening highs.

Millions across the central and eastern United States are bracing for a prolonged and dangerous heatwave this week, with temperatures set to soar ahead of the Fourth of July…

Sweltering conditions are expected to last through the weekend

A dangerous heat wave is expected to sweep across much of the central and eastern United States beginning Tuesday and lasting through the July 4 weekend, when the country…

A dangerous heatwave is set to engulf large parts of the central and eastern United States from Tuesday through the July 4 holiday weekend. Forecasters have warned of extreme…

A prolonged, intense heat wave will make temperatures feel as hot as 115 degrees Fahrenheit in the eastern U.S. this week

Meteorologists say temperatures across Boston and much of southern New England will climb into the 100s later this week ahead of Independence Day celebrations.

The World Cup games are heating up this week with knockout rounds, and so is the outdoor heat

The World Cup games are heating up this week with knockout rounds, and so is the outdoor heat

The World Cup games are heating up this week with knockout rounds, and so is the outdoor heat.

NEW YORK, June 29 : Extreme heat will greet fans and players this week at the World Cup, as an imposing "heat dome" settles over the central and eastern United States - plus parts…

Heat domes trap overnight temperatures too — and millions without air conditioning are facing this week's Eastern U.S. heat wave.

Sweltering conditions are expected to last through the weekend

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

Heat-trapping high pressure systems can sit over an area for a week or longer

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High temperatures coupled with humidity will lead to record heat in vast swathes of the US, days after a deadly heatwave scorched Europe. | World News

The director-general of the WHO said the organisation has partnered with FIFA to help protect players, staff and fans at the 2026 World Cup from the scorching temperatures.