FOG BLOG WEATHER LOG: MILLIONS IN U.S. & EUROPE SMASHING TEMP RECORDS, 57C RECORDED IN DEATH VALLEY!

Heat wave: Millions in the U.S., Europe and beyond face record temperatures this week The South continues to swelter under a relentless

heat wave, while extremely hot weather and flooding hit Asia and Europe. Millions of people across the South are sweltering under a relentless heat wave, with more records expected to be broken this week as countries around the world also grapple with rocketing temperatures.

The National Weather Service warned of "record-breaking heat" expected in parts of the U.S., including the Four Corners states, and from Texas to the lower Mississippi Valley and South Florida.

The U.S. is far from alone in facing the threat of severe heat, however, with countries around the world, including across Europe and Asia, hit with major heat waves that similarly threaten to shatter records. China's western region of Xinjiang recorded the country's hottest-ever temperature. The hottest recorded temperature in the U.S. today was 126 degrees in Death Valley in California, according to the National Weather Service.

The coldest for the day was 33 degrees in Peter Sinks, Utah. That area is known for cold temperatures because it’s a bowl with no outlet for cold air to escape, NBC affiliate KSL of Salt Lake City has reported.

Death Valley is also known for its heat, but it doesn’t always record the hottest high.

On Sunday, the hottest temperature was in Baker, California, at 129 degrees, according to the weather service. Heat isn't going anywhere any time soon for South, Southwest

Millions of people living in the U.S. under a blistering heat wave shouldn’t expect any relief soon. High temperatures in the Southwest will last into next week, the National Weather Service said.