更新时间：2026年3月19日 / 美国东部时间上午11:32 / CBS/美联社
加利福尼亚州南部一个沙漠小镇周三气温飙升至108华氏度，平了美国有记录以来3月最高气温纪录。西南部正经历一场打破纪录的冬季热浪，预计这股热浪将持续至下周上半周。
CBS新闻气象学家尼基·诺兰表示，超过4100万人的高温警报将持续至周日。
加利福尼亚州北岸镇的108度高温，与1954年德克萨斯州里奥格兰德城创下的纪录持平。诺兰称，这场持续的热浪可能会在缓解前再打破数百项高温纪录。
命名恰如其分的加利福尼亚州瑟莫尔镇（Thermal）周五预计将达到110华氏度。
亚利桑那州凤凰城周三出现102华氏度高温，比以往任何时候都早，打破了此前1988年3月26日创下的纪录——那是凤凰城历史上仅有的另一次3月气温达到三位数的情况。
美国国家气象局气象学家布莱恩·刘易斯表示，这是有记录以来最严重的3月热浪之一。
“我们昨天打破了太多纪录，甚至今天到目前为止也打破了不少，”他说。
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拉斯维加斯周三达到99华氏度，打破了2022年创下的3月最高温93华氏度纪录。
洛杉矶市中心达到94华氏度，超过了1997年87华氏度的历史日最高温。
加利福尼亚州沙漠度假胜地棕榈泉达到104华氏度，与1966年创下的3月最高温纪录持平。
美国国家气象局称，本州剩余时间气温将比3月正常水平高出20至30华氏度，周末略有下降。该地区许多城市预计将迎来有记录以来最早的100华氏度以上高温日。
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California community ties U.S. temperature record for March, with more than 41 million under heat alerts
Updated on: March 19, 2026 / 11:32 AM EDT / CBS/AP
Temperatures in a small Southern California desert community soared to 108 degrees on Wednesday, tying the highest March temperature ever recorded in the U.S. The blistering conditions came as the Southwest experiences a record-shattering winter heat wave, which is forecast to stick around through the first half of next week.
Heat alerts remain in effect through Sunday for more than 41 million people, said CBS News meteorologist Nikki Nolan.
The 108-degree day in North Shore, California, ties a mark first reached by Rio Grande City, Texas, in 1954. The ongoing heat wave could potentially produce hundreds of additional record temperatures before letting up, Nolan said.
The aptly named Thermal, California, was forecast to hit 110 degrees on Friday.
Triple-digit temperatures also came earlier than ever before in Phoenix when the Arizona capital hit 102 degrees Wednesday, according to the National Weather Service. The previous record was set almost 40 years ago, on March 26, 1988, the only other time Phoenix temperatures have climbed into the hundreds during the month of March.
Bryan Lewis, a meteorologist with the weather service, said this has been one of the most significant March heat waves in recorded history.
“We’ve broken so many records yesterday and even today we’ve broken quite a few so far,” he said.
Map shows areas under heat alerts through Sunday, March 22, 2026. CBS News
Las Vegas hit 99 degrees Wednesday, smashing its hottest March day on record, which had been 93 degrees in 2022.
Downtown Los Angeles reached 94 degrees, beating its previous daily high of 87 degrees in 1997.
And the desert destination of Palm Springs, California, was 104 degrees, tying its hottest March day on record from 1966.
It will continue to be 20 to 30 degrees above normal March temperatures for the rest of the week in the Southwest before dropping slightly over the weekend. Many other cities in the region are expected to see their earliest 100-plus degree day on record, according to the National Weather Service.
© 2026 CBS Interactive Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed. The Associated Press contributed to this report.
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