More than 25 million people are under surveillance, warnings or excessive heat warnings, including in the metropolitan areas of Los Angeles, San Diego, Las Vegas and Phoenix.
The scorching heat will bring triple-digit temperatures to Los Angeles, where mercury is expected to reach 105 degrees on Friday and 100 Saturday, CNN weather forecaster Haley Brink said.
More than a dozen high-breaking records are expected to be broken Friday afternoon across California. Brink added that the National Weather Service urged residents to reduce time spent in the sun, drink a lot of water and especially not to leave children or youth in coastal areas. pets in cars.
Threat of Fire
More than 4,000 firefighters battling California's wildfires and extreme heat is likely to complicate matters for them.
For example, the County Fire in California, which charred 88,000 acres in Yolo and Napa counties and is confined to only 30%, is one of the many infernals that can grow when the weather gets hotter and drier on the weekends.
"Extreme heat combined with single-digit humidities and gusty winds from the north will likely lead to critical fire conditions across the mountains, Santa Barbara South Coast, Santa. The Clarita Valley, the San Fernando Valley and the Santa Monica Mountains, according to the meteorological service.
Forecasters expect winds of 35 to 45 mph with gusts isolated up to 50 mph
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A heat wave that swept parts of Canada this week killed 54 people. prov province, according to health officials. Twenty-eight deaths occurred in Montreal, said Marie-Claude Lacasse at the Ministry of Health.
Many Montreal victims were over 50 years old, men, lived alone and had no air conditioning, said Dr. David Kaiser of the Montreal Regional Public Health Service.
CNN's Taylor Ward said the region had recorded record temperatures and high humidity since Sunday. Temperatures were in the mid-1990s for Montreal Sunday and Monday, about 20 degrees higher than normal temperatures at this time of year.
Montreal health authorities have opened 19 cooling stations in public health and social services buildings people call public transportation services to get to one of the air-conditioned centers.
Several heat-related deaths have also been reported in the United States since last weekend. In Pennsylvania, a woman died of heat-related causes on Saturday in Pennsylvania while she was working in her garden, according to the Blair County Coroner's Office. The woman went into cardiac arrest at home and died at the hospital.
A 30-year-old man died after collapsing on a mountain trail in Wilmington, New York, said the Essex County coroner. In emergencies, the internal temperature of the man reached 108 degrees, damaging his brain.
"When your brain is overheated like this, it can no longer function," said Essex County Coroner Frank Whitelaw
. two heat-related deaths were under investigation in Kansas City, Missouri. The deaths involve a man in his 80s, who died Monday, and a woman in her forties, who died last week, according to the Kansas City Health Department.
Joe Sutton and Eric Levenson of CNN contributed to this report.
