Tropical storms that drenched southwestern Colorado caused rivers to swell to levels unseen since the 1970s and doubled the amount of water in one small reservoir in La Plata County.
Two storms in the Pacific, Hurricane Priscilla and tropical storm Raymond, dropped 512% of the normal amount of precipitation for southwestern Colorado for October.
Communities were just starting to recover Tuesday from flooding, evacuations and damage to roads and bridges with more storms on the way. The influx of moisture was also a boon for shrunken reservoir storage after a dry summer.
“We’re not out of the woods quite yet,” said Kate Abbott, a National Weather Service meteorologist.
Near Pagosa Springs, flows in the San Juan River peaked around 4 a.m. Tuesday at 12.6 feet deep, its highest level since 1970, before dropping at about 9 a.m., the Archuleta County Sheriff’s Office said. The river was about 12.25 feet deep as of 11 a.m. When river levels drop below 9.48 feet and county crews can finish assessing damage to make sure the area is safe, mandatory evacuations in the county will be lifted.
Before the storms arrived Friday, the water level hovered just under 4 feet. The San Juan River starts to flood at 10.5 feet.
About 40 miles west in La Plata County, about 90 homes north of Vallecito Reservoir were damaged by the floodwaters including two homes that were deemed a total loss after Vallecito and Grimes creeks washed out underneath them, county officials said. More than 390 homes have been evacuated since Saturday.Hundreds of residents evacuated from flooded neighborhoods in southwestern Colorado could be allowed to return home by Tuesday afternoon as the San Juan River and other overflowing streams start to recede.
No injuries have been reported as of Tuesday morning.
Most of southwestern Colorado saw about 1.5 to 3 inches of rain, but mountainous areas have received closer to 4 inches since early Monday morning, according to the National Weather Service in Grand Junction.
As stream flows start to recede, the weather service is keeping its eye on possible thunderstorms that could hit the region Wednesday evening.
These thunderstorms could bring a fast influx of water and increase the risk of mudslides and flooding in urban areas. So far, no mudslides have been reported in scars from this year’s wildfires, Abbott said.
Flood waters crept up to boarded up homes along County Road 501 on the afternoon of Saturday, Oct. 11, 2025 in Vallecito, Colorado. The Upper Pine Fire Protection District reported 11 high-water rescues on Saturday, one of which was a household that did not evacuate when an alert went out and needed help when water water spilling from the normally placid Vallecito Creek rose. (Jeremy Wade Shockley, Special to The Colorado Sun)More flooding in Archuleta County
The storm dropped up to 4 inches into the San Juan River watershed upstream of Pagosa Springs in Archuleta County. The town of Pagosa Springs received closer to 1.5 to 2 inches of rain.
“A lot of that water fed into the San Juan River and resulted in another round of flooding,” Abbott said.
Water levels on the San Juan River are expected to drop, along with other streams and creeks in Archuleta County, by this afternoon, but the National Weather Service is still on guard.
A flood warning remains in effect until midnight. The waterways included are the San Juan River, Leche Creek, the Navajo and Little Navajo rivers, Cutthroat Creek, East Fork, Augustora Creek, Big Branch Spring Creek, Stove Creek and Peterson Creek.
Floodwater and debris in Pagosa Springs caused sewer lines to fail below the First Street Bridge on Highway 160 on Tuesday morning and temporarily shut down the road, according to the police department.
As of 4:48 a.m., emergency crews were on scene assessing the damage.
Travelers over Wolf Creek Pass, about 23 miles northeast of Pagosa Springs, faced rain and some snow, totaling about 3 to 4 inches of precipitation. Further to the east, the South Fork area also received up to 4 inches of rain.
A 28-mile stretch of Wolf Creek Pass closed for several hours starting at 6 a.m. Tuesday in both directions from Treasure Falls near Pagosa Springs to just west of South Fork, according to the Colorado Department of Transportation. As of 11 a.m., the highway was open.
Schools in Archuleta County were also closed Tuesday due to the high water and impact on county infrastructure, according to the sheriff’s office.
“Due to continued flooding and hazardous conditions, all schools in the Archuleta School District will remain closed today,” officials at Pagosa Springs Middle School wrote in a statement. “The safety of our students, staff and families is our top priority.”
Vallecito Creek raged at historic levels, Saturday, Oct. 11, 2025, following heavy rainfall sent north by Hurricane Priscilla. Photographed at the north end of Vallecito Valley, near the Vallecito Campground, trees and other debris are seen in the fast moving, turbulent water estimated to be flowing at close to 7,000 CFS, or about double the rate of a typical high flow. (Jeremy Wade Shockley, Special to The Colorado Sun)Monday night showers at Vallecito
Hundreds of residents left their homes north of Vallecito Reservoir over the weekend as rain caused creek and river levels to surge, damaging bridges and limiting evacuation routes. The reservoir is tucked away in a remote area of La Plata County, about 20 miles northeast of Durango.
Evacuees gathered Monday evening in the nearby town of Bayfield to hear more about the second wave of rain coming through the area.
As of Tuesday morning, about 1 to 2.5 inches of rain had fallen in the areas around the reservoir, according to the National Weather Service in Grand Junction. Durango received 1 to 2 inches of rain.
Vallecito Creek crested at about 4.35 feet at around 4 a.m. Tuesday, Abbott said. Over the weekend, its peak was about 6 feet before it receded during a lull in the rain showers.
“It’s going back up, so that might not be the final crest from this push of rainfall,” she said.
The water from the storms rushed into Vallecito Reservoir, which was built in the 1940s mostly to provide flood control and irrigation water.
Mike Canterbury, a dam tender for the Pine River Irrigation District, was driving on the east side of Vallecito Reservoir on Tuesday morning to check for trees or other debris from the floods.
Before the storms, the reservoir held 28,000 acre-feet of water, about 22% of its 125,000-acre-foot capacity. One acre-foot roughly equals the water used by two to three households each year.
“It was starting to look pretty pitiful,” he said.
As of Tuesday morning, the reservoir held almost 56,000 acre-feet of water and had risen by 15 feet or more, Canterbury said.
The reservoir managers were worried about carrying enough water into the spring in case the region had a mediocre winter, he said. Canterbury described the water as a “godsend,” giving them enough water to produce hydropower and have a more stable irrigation supply heading into next summer.
“At this point, we could store plenty more water,” Canterbury said.
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