Heat Wave Poised to Shatter 100+ U.S. Daily High Records
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Forecasts from NOAA and CBS News show a massive heat wave will continue baking the western two-thirds of the United States through Sunday, March 29, 2026, with more than 100 potential daily high-temperature records expected to fall between Thursday and Sunday and over 50 possible records on Thursday alone. Temperatures are projected to run 30 to 40 degrees Fahrenheit above normal in parts of the Southwest and central states, pushing Phoenix toward 100°F for a second straight daily record and driving cities like Dallas, Indianapolis, Kansas City, Las Vegas, Louisville and Nashville toward record highs in the upper 80s and 90s. Amarillo could reach 99°F, breaking its prior mark for the date by 11 degrees, while Albuquerque may see its warmest March 26 since 1971, and Denver has already logged its hottest March day on record as this heat dome has marched east. Meteorologists warn the anomalous warmth will spread toward the Southeast by Friday and could help fuel potentially severe storms across portions of the Midwest as hot, moist air collides with cooler systems. The persistence and geographic reach of the heat underscore growing concerns among forecasters and grid planners about early-season stress on power systems, wildfire risk, and the pattern of increasingly frequent record-setting heat events across much of the country.