Record Heatwave Sweeps Across US West Amid Climate Crisis
Record Heatwave Sweeps Across US West Amid Climate Crisis
US · Published Mar 21, 2026
A record heatwave is sweeping across the western US, with temperatures up to 30°F above average.
The heatwave is linked to the climate crisis, making such events four times more likely.
The heatwave is expected to intensify and move towards the plains and the south later this week.
Western US faces unprecedented heatwave in March
The western United States is currently grappling with an unprecedented heatwave, with temperatures soaring to 30°F (17°C) above average for March. This extreme weather event, driven by a high-pressure heat dome, has already shattered temperature records in 140 cities from California to Missouri, raising serious concerns about the escalating climate crisis. Scientific analysis indicates that the heatwave's intensity and frequency are directly linked to global warming, making such events four times more likely than a decade ago. Without climate change, temperatures would likely be 1.4°F (0.8°C) cooler.
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