Triple-digit heat returns to the West as dozens of major cities eye record-breaking temperatures

Across the West Coast, record heat has gripped millions truthful acold this year. Winter was 1 of — if not the — warmest connected grounds for much than 50 cities. In March, a historical vigor question swept crossed the West, shattering all-time somesthesia records.

A antheral walks adjacent the Las Vegas portion during a heatwave successful Las Vegas, Nevada connected July 7, 2024.

(Robyn Beck / AFP)

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In fact, the National Oceanic and Atmospheric Administration reported that March was the warmest connected grounds crossed the Lower 48.

More than 1,200 locations recorded 1 of their 10 warmest Marches ever, portion astir 400 experienced their warmest March connected record.

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While conditions person been somewhat much seasonable implicit the past week, grounds vigor has returned to the West and volition highest into aboriginal this week, the FOX Forecast Center said. 

High temperatures are moving up to 30 degrees supra average, with extreme vigor warnings successful effect for parts of Phoenix and Palm Springs, wherever triple-digit vigor is expected to highest aboriginal this week.

SAN DIEGO, CALIFORNIA - JANUARY 31: Beachgoers battalion La Jolla's Windansea Beach during a wintertime vigor question connected January 31, 2026 successful San Diego, CA. 

(Kevin Carter / Getty Images)

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By Monday, a ridge of precocious unit volition beryllium situated implicit the region, allowing warmth to summation alongside adust and sunny conditions. 

Numerous cities volition beryllium 15 to 30 degrees supra mean with this signifier lasting done midweek. During this period, much than 60 regular grounds highs are successful jeopardy crossed 10 states, from California to Nebraska.

Extreme vigor warnings stay successful effect done Tuesday for parts of inland Southern California, portion vigor advisories are besides successful effect for portions of California’s Central Valley, including Fresno and Bakersfield.

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Currently, Las Vegas and Salt Lake City are experiencing their warmest year-to-date connected record, moving up to 5 degrees supra mean truthful acold this year, which is expected to proceed into this week. 

According to the FOX Forecast Center, Las Vegas typically averages highs successful the mid-80s by May, but is already climbing into the triple digits.

(Photo by Andrew Seaman connected Unsplash)

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That said, the vigor halfway volition shift, with the Climate Prediction Center forecasting rising temperatures crossed the Plains precocious adjacent weekend. Meanwhile, conditions successful the West volition yet statesman to moderate.