The National Weather Service in Phoenix issued a Severe Thunderstorm Warning for Gila County in east central Arizona and Maricopa County in south central Arizona, effective until 10:30 PM MST on September 11. At 10:02 PM MST, a severe thunderstorm was located over Sycamore Creek and nearly stationary. The warning includes AZ Route 87 between mile markers 218 and 228, with impacts to Sunflower and Sycamore Creek areas.
The storm carries hazards of 60 mph wind gusts and nickel-size hail, with expected damage to roofs, siding, and trees. Torrential rainfall may lead to flash flooding. The National Weather Service advises residents to move to an interior room on the lowest floor of a building immediately and avoid driving through flooded roadways.
Source: National Weather Service.
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- National Weather Service retrieved 12/09/2026 05:04
Authored by The Scottsdale Signal. Drafted by AI from primary-source material under our beat-specific editorial guides; reviewed by humans before publish under our five-gate process. Sources retrieved at 12/09/2026 05:04. Every claim traces to a source.
