Record-Breaking March Heat Wave Sweeps Across Western U.S.
Record-Breaking March Heat Wave Sweeps Across Western U.S.
US · Published Mar 21, 2026
Record-breaking March heat wave hits Western U.S., with temperatures soaring 20-40 degrees above average.
Arizona and California experience potential new temperature records, driven by a strong heat dome.
Climate scientists link the extreme heat to human-induced climate change, noting increased frequency and intensity of such events.
Record-breaking heat sparks climate change concerns
A historic heat wave struck the Western United States in March, obliterating previous temperature records and igniting concerns about the escalating frequency and intensity of extreme weather phenomena. A temporary weather station near Martinez Lake, Arizona, reported a startling 110°F (43°C), potentially establishing a new national March record. Simultaneously, permanent stations in Indio and Thermal, California, equaled the existing record at 108°F (42°C).
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