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Phoenix felt a heat wave this week that hit record temperatures, but those numbers are supposed to dip this weekend.
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Junior Casselman fishes at Papago Park in Phoenix, where the temperature has passed 100 degrees, on May 4, 2017. Courtney Pedroza/azcentral.com
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Phoenix hits 100 degrees for the first time in 2017 on May 3.
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Tubers enjoy the first day on the river as Salt River Tubing opens for the summer season. David Kadlubowski/azcentral.com
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Scenes from a lightning storm over Phoenix Monday, March 28, 2017.
Stephen Hickey of Phoenix
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Time-lapse video show clouds that appear as a pinwheel over Phoenix at sunset in March 2017. David Kadlubowski/azcentral.com
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A dust storm cancels a soccer match on March 22, 2017, at Falcon Park in west Phoenix. Daniel Gonzalez/The Republic
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Phoenix sees record temperatures, but not for long
Phoenix heats up
Phoenix hits 100 degrees for the first time in 2017
Salt River Tubing open for 2017
Lightning over Phoenix
Clouds over Phoenix
Dust storm hits Falcon Park in Phoenix
The heat wave that hit the Valley this week will take a break just in time for the Arizona State University commencement ceremony Monday.
“As we transition into our summer, this might be our last ‘hurrah,’ ” said National Weather Service meteorologist Andrew Deemer.
A low-pressure system moving out of the north Pacific Ocean will push through Phoenix starting Sunday. Temperatures will fall to the mid-70s and stay there until about Wednesday, according to the National Weather Service.
There will be some wind and could be some rain. Wind gusts will be as high as 50 mph and there is a small chance of rain Tuesday, Deemer said.
Arizona has been under a ridge of high pressure pretty common for this time of year. Phoenix beat a record temperature Friday when it hit a high of 108 degrees. The record was 105 degrees in 1989.
The coming 40-degree drop is not unheard of for this time of year, but it doesn’t happen often, Deemer said.
According to Deemer, heat has been arriving in the Phoenix area earlier in recent years. The typical 100-degree day has historically been May 2.
“We’re not too far off that,” Deemer said.
There could also be some improvement by Graduation Day in the gray, hazy air that sat over the Phoenix area Saturday. But it’s expected to get worse before it gets better.
According to the Arizona Department of Environmental Quality’s website, the ozone level on Saturday was 74. It’s expected to increase to 80 on Sunday, but on Monday and Tuesday Phoenix will see a moderate drop to 67.
It will remain at the moderate level. Unusually sensitive people should not spend much time outside.
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