A massive heat dome has enveloped the western United States, creating dangerously high temperatures and increasing the risk of wildfires across several states. This weather phenomenon, characterized by a high-pressure system that traps hot air, has led to temperatures soaring well above seasonal averages.

California, Nevada, and Arizona are among the states most affected, with more than 17 million people under excessive heat warnings. In California’s Central Valley, temperatures have reached triple digits, with Sacramento hitting 103°F. Even hotter conditions are expected in Death Valley, where temperatures could soar to 120°F by the end of the week. Phoenix and Las Vegas are also bracing for extreme heat, with forecasts predicting highs of 110°F and above.

This extreme heat not only poses serious health risks, particularly for vulnerable populations such as the elderly and those without access to air conditioning, but it also exacerbates wildfire conditions. Already, the Corral Fire near Tracy, California, has burned over 14,000 acres, prompting evacuations and challenging firefighters who are battling the blaze amidst scorching temperatures.

The National Weather Service has warned that the intense and prolonged heat can lead to heat-related illnesses, including heat stroke and dehydration. Residents are advised to stay indoors, drink plenty of fluids, and check on neighbors who may be at risk.

Experts attribute this severe weather to a combination of the heat dome and broader climatic changes, including the influence of the El Niño phenomenon, which has intensified the current heat wave. This event highlights the growing impact of climate change on weather patterns, making extreme weather events more frequent and severe.