Alert USA
weather NWS minor Graham, AZ; Pinal, AZ October 22, 2026 at 10:14 PM

Flood Advisory

* WHAT...Small stream flooding caused by excessive rainfall is expected.

* WHERE...Northwestern Graham County in southeastern Arizona... Northeastern Pinal County in southeastern Arizona...

* WHEN...Until 615 PM MST.

* IMPACTS...Rises in small streams and normally dry washes. Some low-water crossings may become impassable.

* ADDITIONAL DETAILS... - At 313 PM MST, Doppler radar indicated heavy rain due to thunderstorms. This will cause small stream flooding. Between 1 and 2 inches of rain have fallen. - Flood Watch remains in effect until 8 PM MST this evening. - Some locations that will experience flooding include... Peridot, Bylas, Fort Thomas, Calva and San Carlos Reservoir. - This includes Route 70 between mile markers 272 and 306. - http://www.weather.gov/safety/flood

Flooding in Graham, AZ; Pinal, 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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