Alert USA
weather NWS minor Sierra, NM September 4, 2026 at 8:58 PM

Flood Advisory

* WHAT...Arroyo and small stream flooding caused by excessive rainfall is expected.

* WHERE...South Central Sierra County in south central New Mexico...

* WHEN...Until 700 PM MDT.

* IMPACTS...Minor flooding in low-lying and poor drainage areas.

* ADDITIONAL DETAILS... - At 258 PM MDT, 1 to 1.5 inches of rain has fallen over portions of Percha Creek, Trujillo Creek, and Tierra Blanca Creeks, near Highway 27. Runoff will work its way downstream, to the east, and may impact low water crossings

Flooding in Sierra, NM 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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