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NWS El Paso Tx/Santa Teresa NMFF.W 0199September 29, 2026

Flash Flood Warning: Dona Ana and Sierra, NM

The National Weather Service office in El Paso Tx/Santa Teresa issued a flash flood warning for Dona Ana and Sierra in New Mexico, which was in force until 2:30 p.m. local time on September 29. It was the 199th flash flood warning the NWS office in El Paso Tx/Santa Teresa issued in 2026. New Mexico had 190 flash flood warnings in September 2026, against 21 in an average September of 2008-2025 (New Mexico's flash flood warnings by year).

ExpiredWarning

Issued11:29 a.m. MDT, September 29, 2026
In force11:29 a.m. MDT, September 29, 2026
Expired2:30 p.m. MDT, September 29, 2026

In force for 3 hours; it has expired. The agency may have replaced it with a new notice.

The notice

Issued by
National Weather Service, El Paso Tx/Santa Teresa NM
Area
Dona Ana and Sierra
State
New Mexico
Level
Warning
Issued
11:29 a.m. MDT, September 29, 2026
Expires
2:30 p.m. MDT, September 29, 2026
CAP severity, certainty, urgency
Severe, Likely, Immediate
VTEC event
KEPZ FF.W 0199
Official source
National Weather Service: the notice at its source

Flash Flood Warnings in New Mexico since 2008Every warning type in New Mexico

Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.

The notice as issued

FFWEPZ The National Weather Service in El Paso Tx/Santa Teresa has issued a * Flash Flood Warning for... West Central Dona Ana County in south central New Mexico... Southern Sierra County in south central New Mexico... * Until 230 PM MDT. * At 1129 AM MDT, A band of thunderstorms with very heavy rainfall rates of 2 to 4 inches per hour is pushing across the upper Hatch Valley. Considerable flash flooding is likely to develop shortly. HAZARD...Life threatening flash flooding. Thunderstorms producing flash flooding. SOURCE...Radar indicated. IMPACT...Life threatening flash flooding of creeks and streams, urban areas, highways, streets and underpasses. * Some locations that will experience flash flooding include... Salem and Garfield.

What the agency told people to do

Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be aware of your surroundings and do not drive on flooded roads. 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.

Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.

The record around this notice