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By Anna Skinner
Associate News Editor
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Unseasonable heat will affect at least seven states this week as a dome of high pressure treks east, according to meteorologists.
The new influx of heat comes only days after the Southwest faced unprecedented heat surging as high as 30 degrees above average for this time of year. Many cities across the Southwest saw their earliest 100-degree day on record, with National Weather Service (NWS) offices across the region issuing their earliest ever extreme heat warning. The worst of the heat has faded, and although all extreme heat warnings have expired, more high temperatures are on the way, this time set to hit people in the Southern Plains and Midwest.
“Dozens of daily and all-time March temperature records have already been set across the Southwest, including 108 degrees Fahrenheit in Palm Springs, California, and 105 degrees in Phoenix," AccuWeather senior meteorologist Bill Deger told Newsweek.
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A forecast from AccuWeather warned that daily temperature records were once again expected to be broken, with Denver, Las Vegas, Phoenix and Salt Lake City records all at risk. An NWS HeatRisk map, which reveals heat-related impacts expected over the coming week, anticipates the most widespread impacts to be felt across northern Texas, eastern New Mexico and the Oklahoma panhandle on Thursday.
"Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week," NWS said in a Monday forecast. "Over 200 new record high temperatures are forecast."
Moderate heat-related impacts are expected, which "affects those who are sensitive to heat, especially those without cooling/hydration, and some health systems and industries," according to the index.
"HOT HIGH - A dome of hot high pressure will gradually build eastward this week, spreading record heat into Texas and the Southern Plains. Widespread temps in the 90s and 100s are likely, which will smash dozens of record highs," WSVN meteorologist Dylan Federico posted on X on Monday morning.
Parts of the Midwest also could be affected.
"Another heatwave is coming by Thursday, with temperatures expected to soar across the Great Plains and Midwest! We are on pace for the warmest March in recorded United States history," meteorologist Max Velocity posted on X.
Looking ahead, above-average temperatures are likely to continue for the western three-quarters of the U.S., with the NWS Climate Prediction Center anticipating the highest chance of above-average temperatures to be experienced in Southern California, Nevada, Arizona, southeastern Idaho, southern Wyoming, Colorado, and New Mexico, between March 28 and April 1, according to the six- to 10-day temperature outlook.
The eight- to 14-day outlook shows the highest chance of above-average temperatures shifting east to encompass the Midwest and South between March 30 and April 5.
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