A hot and stormy Fourth of July weekend saw more than 20 cities hit record highs. While the grid was strained in some places, the power mostly stayed on.

Scorching conditions have forced officials in the US capital and elsewhere to cancel or postpone parades, concerts and fireworks displays.

A severe heatwave has disrupted Fourth of July celebrations across the central and eastern United States, forcing cancellations of parades, concerts, and fireworks.…

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

A massive heat wave across eastern US pushed electricity demand close to record levels on Friday, prompting the country's largest power grid operator to activate emergency…

A brutal heat wave threatened July 4 celebrations, World Cup matches and power grids across the eastern United States on Friday as near-record temperatures...

A soul-crushing "Heat Dome" will build...

Peak heat indexes could reach 46°C in parts of the country, with several cities setting record temperature highs.

The oppressive heat also altered celebrations in Philadelphia, where temperatures were expected to reach 99 degrees.

Much of the nation was stewing under 90 to 100-degree heat, which is expected to move south and west by the beginning of next week.

A dangerous heatwave upended Fourth of July celebrations across swaths of the central and eastern U.S. on Friday, forcing officials in the nation's capital and elsewhere to cancel…

At least 18 record highs were set on July Fourth as celebrations kicked off in mid-Atlantic cities including Washington and Baltimore.

When extreme heat hits, people turn to AC, but what if the grid fails? From France to the US, heat waves are pushing power systems to the limit, raising blackout risks and energy…

Several public activities and parades were cancelled as temperatures reached soaring heights over the July 4 weekend, affecting much of the USA's eastern coast | World News

A hot and stormy Fourth of July weekend saw more than 20 cities hit record highs. While the grid was strained in some places, the power mostly stayed on.