River stage
Last reported 2026-10-13 | NWS TELT2
In brief
The Rio Grande at Johnson Ranch, TX read 4.67 ft on Oct 13, 2026, 7.33 ft below action stage.
Source: National Weather Service gauge TELT2
| Rank | Crest | Date |
|---|---|---|
| 1 | 28.40 ft | 1978-09-30 |
| 2 | 27.27 ft | 2008-09-20 |
| 3 | 26.38 ft | 1990-10-03 |
| 4 | 24.70 ft | 1958-09-27 |
| 5 | 24.60 ft | 1932-10-03 |
| 6 | 22.93 ft | 1958-10-04 |
| 7 | 22.38 ft | 1991-09-29 |
| 8 | 22.00 ft | 2019-06-03 |
Flood crests recorded at this gauge by the National Weather Service.
the river reaches bankfull, minor lowland flooding occurs, and no significant damage is expected.
flood stage is reached. Moderate lowland flooding begins. Roads that lead to Cottonwood Campground and River Road may flood. Stages are practically synonymous with the gage at Cottonwood Campground at Castolon (CSTT2), and therefore represent the reach from Santa Elena Canyon through Cottonwood Campground, where damage may occur. Cattle also graze in the lowlands, and may be threatened.
the river reaches major flood stage. Flooding begins to occur upstream in Cottonwood Campground at Castolon, as stages at each location are practically synonymous. Moderate lowland flooding begins at the gage site, but no damage occurs. The gage is inaccessible, as River Road is impassable at several locations.
the river reaches record stage (1978). Major flooding begins upstream in Cottonwood Campground at Castolon. Most park roads near the river flood.
Written by the local National Weather Service forecast office for this exact gauge.
No. The Rio Grande at Johnson Ranch is at 4.67 ft, 7.33 ft below action stage.
The National Weather Service sets action stage 12 ft, minor flooding 15 ft, moderate flooding 17 ft and major flooding 19 ft.
The highest crest on record is 28.4 ft, on 1978-09-30.
Stage and flood information from the NOAA National Weather Service (gauge TELT2). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.