Alert USA
weather NWS severe Maricopa, AZ November 4, 2026 at 2:21 PM

Flood Warning

* WHAT...Flooding caused by upstream dam release continues.

* WHERE...Maricopa County in south central Arizona...

* WHEN...Until 200 PM MST Saturday.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable.

* ADDITIONAL DETAILS... - At 656 AM MST, upstream floodgate release from Tempe Town Lake and continued releases from Granite Reef Dam farther upstream has lead to flooding in the warned area. A US Army Core of Engineers streamflow gauge on the Gila River showed a flow near Old US 80 was over 50000 cfs. - Flooding is occurring along the Salt and Gila Rivers. - Some locations that will experience flooding include... Goodyear, Painted Rock Dam, Liberty, Phoenix International Raceway and Arlington. - http://www.weather.gov/safety/flood

Flooding in Maricopa, AZ can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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