Severe · Flood WarningActive alert
Flood Warning issued November 1 at 7:26PM MST until November 2 at
Affecting Alamosa, CO; Rio Grande, CO
In effect until: Nov 3, 2026, 2:30 AM
Alamosa, CO; Rio Grande, CO
Likely impact across 2 counties in CO; effects through 2:30 AM.
Avoid flooded areas. Move to higher ground if water is rising near you.
Read the original bulletin (official text)
Upstream flooding along the Rio Grande continues downstream near Monte Vista in Rio Grande County. * WHAT...Flooding along the Rio Grande near Monte Vista is forecasted to begin by late morning on Monday. * WHERE...East Central Rio Grande County in south central Colorado... West Central Alamosa County in southeastern Colorado... * WHEN...Until 730 PM MST Monday. * IMPACTS...The Rio Grande continues to rise due to upstream flooding through Del Norte and South Fork. Extensive inundation of low-lying areas adjacent to the river is expected. Inundation of low spots along Highway 185, some homes, and other structures may be possible for areas south of the river. Expect many areas of slow moving or standing water. * ADDITIONAL DETAILS... - At 717 PM MST, Upstream stream gauges on the Rio Grande and South Fork Rio Grande indicate that flooding is occurring. - Some locations that will experience flooding include... Monte Vista. - http://water.noaa.gov
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™