An early-season heat wave baking the West this week obliterated numerous all-time records in California and Arizona on Wednesday and Thursday.
The summerlike conditions are expected to persist and expand east in the coming days.
Across Southern California and the Desert Southwest, around 38 million people are under heat alerts. High temperatures in the upper 90s and triple digits have been common throughout the region, thanks to a sprawling heat dome that remains parked over the West.
On Thursday, Palm Springs, California, hit 107 degrees Fahrenheit, setting a new all-time record for the month of March. The previous record, of 105, was set on Wednesday.
The city of Indio in the Coachella Valley also set a record high for March on Thursday, when temperatures climbed to 108 degrees.
A number of daily records were broken across California, as well, including a 101-degree reading in Riverside on Thursday. Records set the prior day included
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