Visitors heading to popular destinations like Las Vegas, Phoenix, and Los Angeles are urged to review heat safety precautions and take steps to keep cool and healthy during this bout of extreme heat.
All-time monthly records will likely fall
Just how hot will it get?
The earliest 37.7°C (100°F) temperature on record in Phoenix occurred on Mar. 26, 1988. The city could easily blaze past that old record and see its hottest-ever March day next Saturday with a predicted high of 43°C (109°F).
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Las Vegas, which is predicted to hit 39°C (102°F) next Saturday, has never officially climbed above 33.8°C (93°F) in March. The earliest 37.7°C (100°F) reading in Las Vegas occurred on May 1, 1947.
It’s a similar story across the desert southwest. Los Angeles, Palm Springs, and even Death Valley are all predicted to witness their all-time hottest March temperature during next week’s heat wave.
In fact, the United States’ all-time March temperature record will very likely fall during this event. The current national benchmark for the month is a 42.2°C (108°F) reading in Rio Grande City, Texas, back on Mar. 30, 1954.
