[REVISION HISTORY]

New Mexico and Southwest heavy rainfall and flooding

6 recorded revisions of this situation.

What changed

2026-10-01 01:26 UTC → 2026-10-19 01:13 UTC · added ~~removed~~

Heavy rainfall in New Mexico initially provided relief following a record-breaking hot summer, but triggered severe flash flood warnings, particularly in Rio Arriba and Santa Fe Counties near the Frijoles Burn Scar. Fatalities occurred in the Four Corners region when three people were swept away by floodwaters near Newcomb on the Navajo Nation in mid-September 2026. By late September, an active weather pattern brought heavy rain and thunderstorm risks across the Southwest and into Colorado. Moisture from Mexico fueled storms across southern New Mexico and West Texas, with heavy rainfall expected near El Paso and the Rio Grande Valley. In Colorado, moisture increased flash flooding concerns for the southern Sangre de Cristo Mountains and the eastern Plains. Forecasters expected conditions to stabilize by the weekend as drier air moved into the region. By September 30, heavy rainfall caused significant flooding and road closures in northern New Mexico, specifically affecting the Las Vegas and Mora areas. In Las Vegas, the Gallinas River rose approximately 3.5 feet overnight, causing officials to warn residents to avoid the river corridor and several key streets. Road closures were implemented on El Camino, Cinder Road, and Cunningham Road due to flooding and potential pavement damage. In the Mora area, flooding saturated fields and dry creeks, a situation exacerbated by the Calf Canyon and Hermits Peak burn scars. While significant flooding was reported, officials noted minimal structural damage and no rescues during this period. National Guard and county fire personnel continue to monitor the situation as weather remains unpredictable. In mid-October, New Mexico faced a renewed threat of heavy rainfall and minor street flooding. This weather pattern is linked to moisture from Tropical Storm Trudy, a Category 2 hurricane in the eastern Pacific.

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