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Record Heat Wave Hits California: 108°F by March 19

3/20/2026

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Summary

Story summary

On March 17, 2025, Indio reached 104 degrees, a March record signaling a heat wave.
By March 19, 2025, North Shore reached 108 degrees, tying the U.S. March record, per the National Weather Service.
The National Weather Service warns highs may stay 104–112 degrees through March 21, 2025.
Public health officials urge precautions as the heat wave could persist into early next week.

History

Historical Context

The 1936 North American heat wave, part of the Dust Bowl era, resulted in over 5,000 deaths and marked one of the most severe heat events in U.S. history. Following one of the coldest winters on record, this extreme heat exacerbated the Great Depression's challenges, highlighting the urgent need for public health measures and climate adaptation strategies, a concern echoed in today's rising temperatures in places like Indio and North Shore.

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Story summary

On March 17, 2025, Indio reached 104 degrees, a March record signaling a heat wave.
By March 19, 2025, North Shore reached 108 degrees, tying the U.S. March record, per the National Weather Service.
The National Weather Service warns highs may stay 104–112 degrees through March 21, 2025.
Public health officials urge precautions as the heat wave could persist into early next week.

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