Monsoon storms swept into the Valley on Monday and quickly turned into a messy evening for Phoenix-area travelers and utility customers. Thousands of residents lost power, several flights were delayed, and the National Weather Service issued a flash flood warning for parts of the metro.
The warning covered Phoenix, Scottsdale and Paradise Valley until 9:30 p.m. In central Phoenix, a rain gauge measured 1.26 inches in an hour, underscoring how quickly the storm moved through the area.
Power Outages Spread Across Two Counties
At one point in the evening, about 15,000 Salt River Project customers were without power in Maricopa County. Arizona Public Service also reported about 4,500 customers out, while another 10,000 SRP customers lost service in Pinal County.
| Utility | Area | Customers Affected |
|---|---|---|
| Salt River Project | Maricopa County | About 15,000 |
| Arizona Public Service | Maricopa County | About 4,500 |
| Salt River Project | Pinal County | About 10,000 |
Travel Disruptions At Sky Harbor
Several flights were delayed at Phoenix Sky Harbor Airport as the storm rolled through the Valley. A Severe Thunderstorm Warning for Phoenix ended at 7:15 p.m., and a Dust Storm Warning remained in effect until 7:45 p.m.
AZFamily said the story was developing, and more updates could follow as the weather system moved through the region. For now, the main impacts were concentrated around flooding concerns, scattered power outages and slowing traffic in the sky.