Alert USA
weather NWS severe Alamosa, CO; Conejos, CO; Costilla, CO November 5, 2026 at 10:58 PM

Flood Warning

* WHAT...Flooding continues along the Rio Grande and low-lying areas in and around the Conejos River confluence.

* WHERE...East Central Conejos County in south central Colorado... West Central Costilla County in south central Colorado... South Central Alamosa County in southeastern Colorado...

* WHEN...Until 400 PM MST Friday.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying and flood-prone locations is imminent or occurring. Low-water crossings are inundated with water and may not be passable. Expect many areas of slow moving or standing water.

* ADDITIONAL DETAILS... - At 356 PM MST, Flood waters continue to move downstream along the Rio Grande, Conejos River and other tributaries. Flooding and inundation of low-lying areas continues in the warned area. - Some locations that will experience flooding include... Alamosa East and Lasauses. - http://www.water.noaa.gov

Flooding in Alamosa, CO; Conejos, CO; Costilla, CO can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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