Severe · Flood WarningActive alert
Flood Warning issued November 4 at 3:44PM MST until November 5 at
Affecting Alamosa, CO; Conejos, CO; Costilla, CO
In effect until: Nov 5, 2026, 10:45 PM
Alamosa, CO; Conejos, CO; Costilla, CO
Likely impact across 3 counties in CO; effects through 10:45 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)
Flooding continues along the Conejos and San Antonio Rivers in eastern Conejos County. * WHAT...Flooding continues along the Conejos River and San Antonio River towards their confluence with the Rio Grande, downstream of Alamosa. * WHERE...Northeastern Conejos County in south central Colorado... West Central Costilla County in south central Colorado... South Central Alamosa County in southeastern Colorado... * WHEN...Until 345 PM MST Thursday. * IMPACTS...Flooding of the Conejos River and San Antonio River, along with other low-lying and flood-prone locations, continues in eastern Conejos County. Inundation of low-lying areas near and downstream of the confluence with the Rio Grande is also expected. Some roads remain closed due to flooding. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 343 PM MST, Flooding has been ongoing in the warned area. - Some locations that will experience flooding include... Manassa, Sanford and Lasauses. - http://www.water.noaa.gov
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™