# NWS Flood Warning: Alamosa, CO; Conejos, CO; Costilla, CO; Rio Grande, CO

> Flood Warning issued October 27 at 8:48AM MDT until October 27 at 1:45PM MDT by NWS Pueblo CO

By PrimaryBrief newsroom · Published 2026-10-27T05:56:16.498068Z
Updated 2026-10-27T14:50:26.517779Z
Canonical: https://primarybrief.com/article/nws-weather-alert-145c191c316bae1bf0933dab

**Official alert:** Flood Warning for Alamosa, CO; Conejos, CO; Costilla, CO; Rio Grande, CO.

**Expires:** Oct 27, 2026 at 07:45 PM UTC.

* WHAT...Flooding caused by excessive rainfall which occurred over
the last couple of days is expected or ongoing.

* WHERE...Northeastern Conejos County, West Central Costilla County,
Southeastern Rio Grande County, andSouthwestern Alamosa County in
southeastern Colorado...

* WHEN...Until 145 PM MDT.

* IMPACTS...Flooding of rivers, creeks, streams, and other low-lying
and flood-prone locations is imminent or occurring. Widespread
inundation of agriculture fields, wetlands, and other low-lying
areas.

* ADDITIONAL DETAILS...
- At 842 AM MDT, Low lying flooding was still occurring in the
warning area.
- Low lying areas in Conejos, Costilla, Rio Grande and Alamosa
counties
- http://www.weather.gov/safety/flood

**NWS instructions:** Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

Be aware of your surroundings and do not drive on flooded roads.

This is a direct summary of an active National Weather Service alert. Follow the official source for updates and current instructions. [1]

## Evidence cited
1. Flood Warning issued October 27 at 8:48AM MDT until October 27 at 1:45PM MDT by NWS Pueblo CO (National Weather Service) — https://api.weather.gov/alerts/urn:oid:2.49.0.1.840.0.de6800166ae3329136067733601a02ea8c27e563.001.1