# NWS Flash Flood Warning: Grant, NM; Sierra, NM

> Flash Flood Warning issued October 23 at 7:13PM MDT until October 23 at 9:15PM MDT by NWS El Paso Tx/Santa Teresa NM

By PrimaryBrief newsroom · Published 2026-10-23T22:46:04.761628Z
Updated 2026-10-24T01:14:04.352119Z
Canonical: https://primarybrief.com/article/nws-weather-alert-7ac02afd5eb4c356fc5f308b

**Official alert:** Flash Flood Warning for Grant, NM; Sierra, NM.

**Expires:** Oct 24, 2026 at 03:15 AM UTC.

FFWEPZ

The National Weather Service in El Paso Tx/Santa Teresa has extended
the

* Flash Flood Warning for...
Southwestern Sierra County in south central New Mexico...
Eastern Grant County in southwestern New Mexico...

* Until 915 PM MDT.

* At 713 PM MDT, Doppler radar indicated thunderstorms producing
heavy rain across the warned area. Between 1 and 1.5 inches of rain
have fallen. Flooding impacts will continue, but no additional
rainfall is expected. Flash flooding is ongoing or expected to
begin shortly.

HAZARD...Flash flooding caused by thunderstorms.

SOURCE...Radar indicated.

IMPACT...Flash flooding of small creeks and streams, urban areas,
highways, streets and underpasses as well as other poor
drainage and low-lying areas.

* Some locations that will experience flash flooding include...
Lake Valley.

**NWS instructions:** Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be especially cautious at night when it is harder to recognize the
dangers of flooding.

Remain alert for flooding even in locations not receiving rain.
Arroyos, streams, and rivers can become raging killer currents in a
matter of minutes, even from distant rainfall.

This is a direct summary of an active National Weather Service alert. Follow the official source for updates and current instructions. [1]

## Evidence cited
1. Flash Flood Warning issued October 23 at 7:13PM MDT until October 23 at 9:15PM MDT by NWS El Paso Tx/Santa Teresa NM (National Weather Service) — https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.8776400239e210deb674db4900e247c0a6cc2bd3.001.1