Tuesday’s forecast shows no sign of heat reduction during long-lived wave


There is no heat reduction for across much of the Lower 48 this week, according to Monday’s forecast from the National Weather Service.

The NWS reports more record-breaking highs possible from the Southwest into the Southern Plains and across South Florida. Despite a reduction in the number of records set in these regions compared to last week’s peak, the upper ridge remains in place meaning more dangerous heat indices. Excessive heat warnings and heat advisories in these areas are currently in effect.

Jul 19, 2023; Phoenix, AZ, USA; Jamara Saah plays a game of pickle ball at sunset in 111 degree heat at Roadrunner Park. Phoenix experienced the 20th day in a row of temperatures of 110 degrees or more, a new record. Mandatory Credit: Rob Schumacher-USA TODAY NETWORK

“Over the next several days, nearly all of the Lower 48 will have above average temperatures as the Southwest to Southern Plains upper ridge builds to the east and northeast,” the NWS forecasted. The area between the Northern Rockies to the Pacific Northwest will be the exception where a cold front will produce below average temperatures.



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