Alert USA
weather NWS minor Maricopa, AZ October 30, 2026 at 5:21 PM

Flood Advisory

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

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

* WHEN...Until 115 PM MST.

* IMPACTS...Minor flooding in low-lying and poor drainage areas. Some low-water crossings may become impassable.

* ADDITIONAL DETAILS... - At 1021 AM MST, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Up to 1 inch of rain has fallen. - Additional rainfall amounts of 0.25 to 0.75 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Scottsdale, Fountain Hills, Carefree, McDowell Mountain Park, Scottsdale Airport, Rio Verde, Granite Reef Dam and Fort McDowell. - 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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