Temperatures in these places have spiked 20 to 40 degrees above the typical monthly average for this time of year. That figure sets a new record for the hottest single temperature ever recorded in the United States in the month of March, according to weather records from the National Weather Service. Cities like Palm Springs, Burbank, Fresno, Denver, Las Vegas and Salt Lake City have all beaten their all-time March heat records within the last week, and some of them are likewise challenging April records already. So, yesterday the US set a new March temperature record of 110 degrees, beating the old record by two degrees. Extreme heat is cited as the most deadly form of extreme weather in the United States, with the country regularly setting new records for heat deaths.

Source: New York Times March 25, 2026 14:48 UTC