Alert USA
weather NWS severe Maricopa, AZ October 31, 2026 at 12:17 PM

Flood Warning

* WHAT...Flooding caused by excessive rainfall is expected.

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

* WHEN...Until 200 PM MST Saturday.

* IMPACTS...Flooding of the Salt River below Granite Reef Dam is imminent or occurring. Flooding of low water crossings across the Salt River upstream of Tempe Town Lake, including McKellips Road, is imminent or occurring.

* ADDITIONAL DETAILS... - At 517 AM MST, SRP was releasing 1650 cfs from Granite Reef Dam. Flooding is ongoing or expected to begin shortly. - Some locations that will experience flooding include... Salt River between Granite Reef Dam and Tempe Town Lake. - 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

Read full story at NWS Open Alert USA
Shared via Alert USA — emergency & community news, all 50 states + 5 territories.