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An unprecedented outpouring heat wave has begun successful the Southwest, 1 that is apt to rewrite the grounds books and acceptable dozens of caller temperature records for March and perchance adjacent April.
The worst of the vigor is connected the way, but temperatures are already supra mean for the play crossed the region.
MISSION VIEJO, CA - March 16: Workers trim thenar trees successful the greeting vigor successful Mission Viejo, CA connected Monday, March 16, 2026.
(Paul Bersebach/MediaNews Group/Orange County Register / Getty Images)
High temperatures volition soar arsenic overmuch arsenic 35 degrees supra mean for this clip of twelvemonth from California to the Great Plains, with the hottest days expected to hap Thursday done Saturday.
The FOX Forecast Center said adjacent aft Saturday, the vigor volition remain, with immoderate places perchance breaking regular somesthesia records for 7 days straight, a uncommon occurrence.
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(FOX Weather)
Not lone volition regular somesthesia records beryllium broken, but monthly records volition apt beryllium shattered by a ample margin.
Palm Springs, California, is forecast to scope 108 degrees connected Friday. If it happens, this volition not lone beryllium the hottest March time Palm Springs has ever seen, but it'll necktie the U.S. grounds precocious for the period of March acceptable successful Rio Grande City successful 1954 and Falcon Dam, Texas successful 2020.
SANTA MONICA, CA - MARCH 13, 2026 Surfers marque their mode done the aboriginal greeting mist aft catching a fewer waves successful Santa Monica connected March 13, 2026.
(Genaro Molina/Los Angeles / Getty Images)
People crossed coastal California flocked to beaches to instrumentality vantage of the antithetic other warmth.
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San Francisco's Department of Emergency Management reminded residents to lone aquatics astatine beaches with a lifeguard, and usage utmost caution arsenic ocean h2o is acold and currents are strong.
Some radical caput to beaches to chill disconnected during blistery weather. Be alert that water h2o is highly acold and beardown currents are common. Stay backmost from the waterline, ne'er crook your backmost connected the ocean, and aquatics lone wherever lifeguards are present. Swimming astatine Ocean Beach is never… pic.twitter.com/eG0KcEOxHe
— San Francisco Department of Emergency Management (@SF_emergency) March 15, 2026The vigor question is caused by a ridge of precocious pressure, dense aerial that's sinking toward the ground. It volition instrumentality the signifier of a vigor dome strengthening implicit the region, the FOX Forecast Center said.
Extreme Heat Warnings agelong crossed confederate California and confederate Nevada and overmuch of occidental and confederate Arizona done Sunday.
KNOW YOUR HEAT TERMINOLOGY: EXTREME HEAT WARNING, EXTREME HEAT WATCH AND HEAT ADVISORY
(FOX Weather)
Cities similar Phoenix, Los Angeles and Las Vegas are each nether Extreme Heat Warnings already oregon opening Wednesday.
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Las Vegas could spot 100 degrees connected Friday. This would marque Sin City's archetypal 100-degree time successful March and would shatter its erstwhile March somesthesia grounds of 93 degrees.
If downtown Los Angeles reaches 100 degrees, it'll interruption a somesthesia grounds of 99 degrees acceptable successful 1879.
The Los Angeles County Office of Emergency Management besides reminded radical to usage caution successful the utmost heat, sharing vigor information tips and resources for locals.
Heat Advisories are besides successful spot crossed California and Nevada.
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(FOX Weather)
Low snowpack crossed the mountains successful California and Nevada has already led to skis seasons ending early, and present the excess vigor is apt to melt a batch much of the remaining snow.
Because the occidental U.S. relies connected snowpack arsenic a "natural reservoir" that dilatory releases h2o done July, this premature spike successful somesthesia is fundamentally draining the region's h2o slope relationship months excessively early, the FOX Forecast Center said.
As the snow disappears a period early, high-elevation vegetation volition statesman drying retired overmuch sooner, extending the 2026 wildfire play by 4 to six weeks.
Temperatures crossed the West are expected to stay somewhat higher than accustomed done astatine slightest aboriginal April, according to the National Weather Service Climate Prediction Center's somesthesia outlook.
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