New maps have shown that the UK is set for a fourth heatwave in less than a week, with temperatures expected to reach 29C in some parts of the country, including London ...

Record-high minimum temperatures, in which temperatures don't drop in the nighttime hours, are likely across much of the U.S.

Hot weather maps show 32C heat surge scorching England - full list of 14 hottest counties Brits can expect a baking start to August, with four days expected to reach above 30C.

While Texas bakes under sweltering conditions, it's far from alone. Millions are under threat of extreme heat this week.

The risks of heat are only growing thanks to lasting heat waves, extreme nighttime temperatures and unusual humidity, like the current "corn sweat" in the Midwest.

Multiple states are under extreme heat warnings, advisories or watches on July 23, according to the National Weather Service.

Heat wave affects nearly 100 million: Heat advisories abound as almost 100 million Americans face 'ridiculous' temps National heat index map: See which states feel hottest The map below identifies ...

Multiple states are under extreme heat warnings, advisories or watches on July 23, according to the National Weather Service.