Nearly 9.5 million people in the U.S. Southwest are grappling with record-breaking heat as an ongoing heat wave escalates temperatures and heightens wildfire risks even in the Great Plains. Las Vegas set a new record for March with a high of 96°F (36°C) on Saturday, and the local National Weather Service reached 97°F for two consecutive days, marking an all-time high for this time of year. Phoenix Sky Harbor International Airport recorded a staggering 105°F for the third straight day, also setting a new March benchmark.
Forecasters predict that the extreme heat will persist. Ashton Robinson Cook from the U.S. Weather Prediction Center indicated that both Las Vegas and Phoenix might continue to either break or tie temperature records throughout the week and potentially beyond. Meanwhile, downtown Los Angeles also faces the likelihood of setting new daily records in the coming days. “The pattern is expected to persist, with record heat lasting through the end of March,” Robinson Cook stated. “Las Vegas should see record-breaking temperatures for the next seven days if forecasts remain accurate, and Phoenix could continue its streak until March 28.”
The Weather Prediction Center reported that across the U.S., 383 daily high temperature records could be either broken or approached in the next week alone. A significant dome of high pressure is responsible for elevating temperatures across the Southwest and is forecast to push heat and dry conditions into the Great Plains, which raises the risk of wildfires. Red-flag fire warnings have been issued in much of Texas, Oklahoma, and Kansas.
Robinson Cook cautioned against underestimating the fire danger, noting, “With patterns like these, you don’t want to sleep on the fire weather threat.” This sudden surge in heat follows a record warm winter affecting nine western states, including Texas, Nevada, and Arizona. According to the National Centers for Environmental Information, California, Nebraska, and Kansas experienced their second warmest winters in the past 131 years, mirroring trends observed nationwide.
The higher temperatures in the West threaten crucial mountain snowpack needed for water supplies later in the year, as Jennifer Francis, a senior scientist at the Woodwell Climate Research Center, explains. While global warming plays a significant role, the persistent jet stream pattern keeping high pressure in the Southwest is believed to be linked to rising ocean heat in the North Pacific, which Francis ties to climate change impacts. “Brutal heat waves are no longer just a summertime concern. These unprecedented events may not be anomalies; rather, we should expect them more frequently as greenhouse gases continue to accumulate in the atmosphere,” she noted.
Looking ahead, relief appears unlikely as the long-term forecast suggests elevated temperatures for much of the U.S., excluding the Northeast, through April 4. The U.S. Climate Prediction Center’s three-to-four-week outlook points to continued warmth across most of the contiguous states until April 17. As heat waves increase, implications for water resources and wildfire management become critical issues for communities across the Southwest and beyond.
For further updates and detailed coverage on this developing story, stay tuned to trusted news sources.
Original Source: https://www.livemint.com/news/us-southwest-heat-wave-tumbles-records-raises-fire-risk-11774194258158.html
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Publish Date: 2026-03-22 21:14:00
