In brief
Extreme storms that swept the southwestern United States in April 2026 led to the rapid erosion and collapse of hoodoo formations in several New Mexico communities. Local authorities warned of unstable ground while scientists study the speed and extent of the geological changes. The event highlights the vulnerability of desert landscapes to sudden heavy rainfall, with unanswered questions about long‑term stability.
A series of heavy rainstorms that battered the southwestern United States in early April 2026 left a trail of collapsed hoodoo rock formations across New Mexico, officials and scientists say. The storms, which began on April 18, dumped unprecedented amounts of water into the normally arid region, turning dry washes into raging streams that washed away the erosion‑prone shoulders that balance many of the spires.
Hoodoos, tall narrow spires of sediment that have leaned over centuries, began to crumble under the weight of waterfalls and sudden erosion. In several towns, including Taos and surrounding communities, residents have reported seeing columns of sandstone collapse, creating wide gaps where once‑iconic cliffs stood. The collapse has left the landscape of the area dramatically reshaped, with a pattern of collapsed pillars and eroded cliffs now visible along roads and in forested areas.
State agencies warned residents and visitors that terrain is now unstable. Visitors to the National Forests and small roadside parks were advised to stay far from exposed formations while scientists assess the speed and magnitude of the erosion. Local businesses that depend on tourism have temporarily been affected by hiking and sightseeing restrictions, officials say.
Scientists are studying how the increased wet weather is accelerating the breakdown of ancient sedimentary formations. In particular, geology students and climate researchers have begun mapping the extent of the damage and collecting data on erosion rates under the new conditions. They hope that further monitoring will help determine whether the new landscape will settle into a new, stable configuration or continue to change.
Historical records show that the region has experienced a series of weather extremes earlier in the summer, and the April events are the latest example of how vulnerable the desert environment is to heavy precipitation. Many experts debate whether the current pattern of collapse is a one‑off natural shock or indicative of a longer‑term trend exacerbated by shifting climate patterns.
Local authorities continue to issue safety recommendations, warning the public to stay away from unstable cliffs and to report any falling rocks. The U.S. Forest Service, in coordination with state officials, has placed temporary barriers around the most fragile formations and is analyzing data from drone footage and ground surveys.
While the event has damaged tourism revenue in a few counties, the broader economic impact remains uncertain at this time. Some officials hope that the dramatic scenery will eventually become a new attraction, once the slopes have stabilized and the collapse has become part of the landscape’s narrative.
What remains unclear is the ultimate long‑term stability of the newly collapsed formations. How quickly the remaining structures will further erode, whether additional storms will trigger more collapses, and how the local ecosystems will adjust are questions that scientists are actively pursuing. The full implications of these sudden geological changes are still being evaluated by researchers and government agencies alike.

