Phoenix Record Heat
FILE - A man sits under the shade of a tree at Steele Indian School Park in Phoenix, March 25, 2025.
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A tiny desert community in Southern California has tied the highest March temperature ever recorded in the U.S. The 108 degree day in North Shore, California, came amid a record-breaking winter heat wave in the Southwest that will stretch into the weekend and could produce even higher temperatures. The record it now shares with Rio Grande City, Texas, could be broken in a number of cities and towns by week’s end. Triple-digit temperatures also came earlier than ever before in Phoenix when the Arizona capital hit 101 degrees Wednesday, according to the National Weather Service. Phoenix's previous record was set almost 40 years ago, in 1988.
Abnormal heat on the last day of winter continues to set records in the U.S. Southwest. The Arizona desert community of Martinez Lake hit 110 degrees F on Thursday. It broke the record for highest March temperature recorded in the U.S. The community is about 145 miles west of Phoenix. The blistering record comes as forecasters warned that winter heat across the Southwest will continue into the weekend. The National Weather Service says many other cities in the region are expected to see their earliest 100-plus degree-day on record.
