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Historic Heat Wave Hits Western US: Records Shattered

3/23/2026

Center

Heat Wave Impact

A historic heat wave grips the western United States, with temperatures 20 to 40 degrees Fahrenheit above average and record highs.
The National Weather Service has documented more than 150 daily temperature records since Tuesday.
Las Vegas has opened cooling stations and public health officials are urging residents to stay indoors.
Experts say the heat dome drives the extreme conditions, and such heat would be nearly impossible without climate change.

Right

Climate Crisis Escalates

Global warming has nearly doubled in the past decade.
Extreme weather events, such as intense storms and heatwaves, are occurring more frequently.
Antarctic sea ice is at its lowest level in 47 years.
Glaciers worldwide are melting rapidly, contributing to rising sea levels.
Oceans are warming, which is contributing to coral bleaching and declines in fish populations.

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Heat Wave Impact

A historic heat wave grips the western United States, with temperatures 20 to 40 degrees Fahrenheit above average and record highs.
The National Weather Service has documented more than 150 daily temperature records since Tuesday.
Las Vegas has opened cooling stations and public health officials are urging residents to stay indoors.
Experts say the heat dome drives the extreme conditions, and such heat would be nearly impossible without climate change.

1 / 2