Severe · Flood WarningActive alert
Flood Warning issued October 26 at 11:55PM MDT until October 27 at
Affecting Alamosa, CO; Conejos, CO; Costilla, CO; Rio Grande, CO
In effect until: Oct 27, 2026, 5:45 PM
Alamosa, CO; Conejos, CO; Costilla, CO; Rio Grande, CO
Likely impact across 4 counties in CO; effects through 5:45 PM.
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.
Read the original bulletin (official text)
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northeastern Conejos County in south central Colorado... West Central Costilla County in south central Colorado... Southeastern Rio Grande County in south central Colorado... Southwestern Alamosa County in southeastern Colorado... * WHEN...Until 1145 AM MDT Tuesday. * 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 1155 PM MDT, Gauge reports continue to indicate high stream flows. Flooding is ongoing or expected to begin shortly in the warned area. - Some locations that will experience flooding include... Alamosa, San Luis Valley Airport, Sanford, La Jara and Alamosa East. - http://www.weather.gov/safety/flood
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™