River stage
Last reported 2026-10-13 | NWS ALAC2
In brief
The Rio Grande at Alamosa, CO read 1.83 ft on Oct 13, 2026, 5.17 ft below action stage.
Source: National Weather Service gauge ALAC2
| Rank | Crest | Date |
|---|---|---|
| 1 | 10.62 ft | 1949-06-20 |
| 2 | 9.97 ft | 1948-05-23 |
| 3 | 9.87 ft | 1948-06-05 |
| 4 | 9.32 ft | 1944-05-18 |
| 5 | 8.84 ft | 1995-07-03 |
| 6 | 8.75 ft | 2019-06-15 |
| 7 | 7.63 ft | 1997-09-24 |
| 8 | 7.50 ft | 1997-10-14 |
Flood crests recorded at this gauge by the National Weather Service.
Action Stage. The river is bankfull along portions of the reach from 8 miles upstream to 1 mile downstream.
Minor flooding. Minor agricultural flooding in low lying areas along the river
Moderate flooding. Moderate agricultural flooding. Water begins to overtop low spots in levee protecting Alamosa.
Moderate flooding. Water overtops low spots in levee protecting Alamosa and begins to flow into Cattails Golf Course and nearby homes
Major flooding. Water reaches base of State Avenue Bridge.
Major flooding. Water reaches base of Highway 160 Bridge and spills into homes and park near the bridge
Major flooding. Flood waters inundate apartments along River Drive in northeast Alamosa
Major flooding. Flood waters move into homes along Lakewood and Riverwood Drives in northeast Alamosa
Major flooding. Flood waters move across Stadium Drive and into homes near Adams State College
Written by the local National Weather Service forecast office for this exact gauge.
No. The Rio Grande at Alamosa is at 1.83 ft, 5.17 ft below action stage.
The National Weather Service sets action stage 7 ft, minor flooding 9 ft, moderate flooding 11 ft and major flooding 13 ft.
The highest crest on record is 10.62 ft, on 1949-06-20.
Stage and flood information from the NOAA National Weather Service (gauge ALAC2); daily history from the U.S. Geological Survey (site 08223000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.