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Record Heatwave Hits Western US, Warnings Issued

3/21/2026

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Story summary
  • A severe heatwave is affecting the western United States, with record temperatures in March 2026.
  • In a desert community in Arizona, the temperature reached 43.3°C (110°F), exceeding the 1954 record of 42.2°C.
  • Extreme Heat Warnings are in effect in California, Nevada, and Arizona, with 40–44°C (104–112°F) expected.
  • The National Weather Service (NWS) warns of increased heat-related illnesses, especially among vulnerable populations, as the weekend nears.