New Mexico Severe Flood Watch | Effective 09/23/2026 10:40

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of south central and southwest New Mexico, including the following areas, in south central New Mexico, East Central Tularosa Basin/Alamogordo, East Slopes Sacramento Mountains Below 7500 Feet, Northern Dona Ana County, Otero Mesa, Sacramento Mountains Above 7500 Feet, Sierra County Lakes, Southeast Tularosa Basin, Southern Dona Ana County/Mesilla Valley, West Central Tularosa Basin/White Sands and West Slopes Sacramento Mountains Below 7500 Feet. In southwest New Mexico, Eastern Black Range Foothills. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - A late season plume of deep tropical moisture is transported northward ahead of an upper-level disturbance, bringing several rounds of thunderstorms with high rainfall rates to the region through this evening. Repeated showers and possible thunderstorms will result in scattered to numerous instances of flash flooding with some considerable cases with the greatest threat over Otero county. - http://www.weather.gov/safety/flood