Weather
Durango, CO Flood Alert Oct. 22: Up to 5 Inches of Rain Possible
Durango, CO – Communities across southwestern Colorado face a significant flooding threat Thursday, Oct. 22, 2026, as heavy rainfall and melting mountain snow could combine to produce dangerous flash
By Miles Carter · 2026-10-21T21:41:42.255Z
Durango, CO – Communities across southwestern Colorado face a significant flooding threat Thursday, Oct. 22, 2026, as heavy rainfall and melting mountain snow could combine to produce dangerous flash flooding. Some locations could receive 2 to 3 inches of rain, with isolated totals reaching 5 inches in the hardest hit areas.
According to the NOAA Weather Prediction Center WPC , a Moderate Risk of excessive rainfall has been issued for Thursday, Oct. 22, across portions of southwestern Colorado, particularly the San Juan Mountains. Forecasters warn that the combination of heavy precipitation and snowmelt could produce locally significant flash flooding and river flooding.
Flash Flooding Threatens Southwestern Colorado
The elevated flood risk includes portions of the San Juan Mountain region, with communities around Durango, Silverton, Cortez and surrounding mountain areas urged to monitor developing conditions.
The Moderate Risk designation represents at least a 40% chance of excessive rainfall exceeding flash flood guidance within approximately 25 miles of a location.
Heavy rainfall could quickly overwhelm drainage areas, cause streams and rivers to rise, and flood low lying roads.
Up to 5 Inches of Rain Possible Thursday, Oct. 22
NOAA forecasts widespread rainfall totals of 2 to 3 inches within the affected region, with localized maximum amounts potentially reaching 5 inches.
Snowmelt across higher elevations could increase runoff, making flooding more dangerous in mountain valleys and downstream communities.
Four Corners Region Also Faces Flooding Risk
Beyond southwestern Colorado, portions of the Four Corners region, including areas of Utah, Arizona and New Mexico, face a broader excessive rainfall threat Thursday, Oct. 22.
Scattered flash flooding could develop in sensitive terrain, particularly burn scars and slot canyons where water levels can rise rapidly.
Residents Urged to Prepare Before Thursday
The WPC advises residents to remain weather aware and maintain multiple ways to receive emergency warnings.
Drivers should never attempt to cross flooded roads, while hikers and campers should avoid flood prone canyons and drainage areas during heavy rainfall.
Residents should monitor updated National Weather Service forecasts and any Flash Flood Warnings issued Thursday, Oct. 22.