San juan county floods

{Heavy Rainfall Triggers Flash Flooding Across San Juan County} On 21 October 2026, San Juan County emergency management officials issued urgent flood warnings following an intense atmospheric river event that dumped record-breaking rainfall across the region. The sudden deluge overwhelmed local drainage systems, leading to significant flash flooding in low-lying areas and forcing the closure of several major arterial roads. Emergency crews were deployed throughout the night to conduct water rescues for motorists stranded in high-water zones, particularly near the San Juan River basin where water levels surged past flood stage within hours. Local authorities have established temporary shelters for residents displaced by rising waters as structural assessments of bridges and culverts begin. While the immediate intensity of the storm has subsided, officials warn that saturated soil conditions remain a critical concern, with a high risk of secondary landslides in mountainous terrain. Residents are advised to remain vigilant and avoid travel through flooded corridors as cleanup operations commence. The county remains under a state of emergency as damage assessments continue to determine the full extent of the infrastructure impact caused by this extreme weather event.