FORT COLLINS, Colo. (AP) — Hundreds of homes remained evacuated and without electricity Saturday after days of heavy rain — over 5 inches (13 centimeters) in places — surged water from the Colorado mountains into the New Mexico and Arizona desert.

Even as the San Juan River and other streams receded from record highs, more storms rumbled through, causing local officials to warn of still more surges.

“This is not over, and we need you to monitor alerts,” police Chief Steve Hebbe of Farmington, New Mexico, said in a news conference.

The flooding affected some 2,000 people in and around the city of 46,000 not far from Four Corners, the meeting point of Arizona, Colorado, New Mexico and Utah.

At least a couple hundred people needed rescue — too many for busy officials to keep accurate count — since rains picked up Wednesday and flooding culminated Thursday and Friday.

Some were stranded on rooftops.…