Record-Breaking Heat Wave Hits Southwest U.S. in March
Record-Breaking Heat Wave Hits Southwest U.S. in March
US · Published Mar 20, 2026
Record-breaking heat wave hits the Southwest U.S. in March, with temperatures reaching 110°F in Arizona.
Experts attribute the extreme heat to human-induced climate change, with such events becoming more frequent.
The NOAA Climate Extremes Index shows a doubling in areas experiencing extreme weather in the past two decades.
Record heat wave in Southwest United States
A severe heat wave is currently impacting the Southwest United States, breaking March temperature records across the region. Temperatures in the Arizona desert have soared to 110°F (43.3°C), marking the highest March temperature ever recorded in the United States. Experts attribute this extreme weather event to human-caused climate change, a conclusion supported by a report from World Weather Attribution. They emphasize that these unprecedented weather extremes are becoming increasingly common due to the ongoing warming of the planet. The National Oceanic and Atmospheric Administration's (NOAA) Climate Extremes Index reveals that the area experiencing extreme weather has doubled in the last two decades.
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