Oct 11, 2025
Between October 10-14, 2025, southwest Colorado experienced prolonged periods of rain and some of the largest multiday rainfall totals on record with rainfall accumulations between 3 and 8 inches, with locally higher amounts across the San Juan Mountains. Remnants from two tropical storms supplied anomalous moisture across the region, with minimal break between events. The first round of heavy rainfall resulted in flooding across La Plata and Archuleta counties from decaying Tropical Storm Prisc
Source: NOAA National Weather Service Storm Events Database (event 1298394). Narrative written by NWS staff at the time of the event.
This event is one of many recorded floods in Archuleta County. See the full FEMA flood zone map, NFIP claim totals, and disaster history for the area.