Rio Grande at Lower Brownsville
Critical Stages
24' - Action
27' - Flood
28' - Moderate
29' - Major
Latest Observation
Updated: 4:15 PM CST 12/17/25
Status: No Flooding
Stage: 2.19 ft
Flow: 0.0742 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 6 PM 12/17 | 2.4 | 0.112 |
| 12 AM 12/18 | 2.4 | 0.112 |
| 6 AM 12/18 | 2.4 | 0.112 |
| 12 PM 12/18 | 2.4 | 0.112 |
| 6 PM 12/18 | 2.4 | 0.112 |
| 12 AM 12/19 | 2.4 | 0.112 |
| 6 AM 12/19 | 2.4 | 0.112 |
| 12 PM 12/19 | 2.4 | 0.112 |
| 6 PM 12/19 | 2.4 | 0.112 |
| 12 AM 12/20 | 2.4 | 0.112 |
| 6 AM 12/20 | 2.4 | 0.112 |
| 12 PM 12/20 | 2.4 | 0.112 |
| 6 PM 12/20 | 2.4 | 0.112 |
| 12 AM 12/21 | 2.4 | 0.112 |
| 6 AM 12/21 | 2.4 | 0.112 |
| 12 PM 12/21 | 2.4 | 0.112 |
| 6 PM 12/21 | 2.4 | 0.112 |
| 12 AM 12/22 | 2.4 | 0.112 |
| 6 AM 12/22 | 2.4 | 0.112 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 4:15 PM 12/17 | 2.19 | 0.0742 |
| 4:00 PM 12/17 | 2.21 | 0.0757 |
| 3:45 PM 12/17 | 2.22 | 0.0764 |
| 3:30 PM 12/17 | 2.23 | 0.0771 |
| 3:15 PM 12/17 | 2.24 | 0.0778 |
| 3:00 PM 12/17 | 2.26 | 0.0792 |
| 2:45 PM 12/17 | 2.27 | 0.0799 |
| 2:30 PM 12/17 | 2.28 | 0.0806 |
| 2:15 PM 12/17 | 2.29 | 0.0813 |
| 2:00 PM 12/17 | 2.3 | 0.082 |
| 1:45 PM 12/17 | 2.32 | 0.0838 |
| 1:30 PM 12/17 | 2.33 | 0.0846 |
| 1:15 PM 12/17 | 2.34 | 0.0855 |
| 1:00 PM 12/17 | 2.35 | 0.0864 |
| 12:45 PM 12/17 | 2.37 | 0.0882 |
| 12:30 PM 12/17 | 2.38 | 0.0892 |
| 12:15 PM 12/17 | 2.46 | 0.0958 |
| 12:00 PM 12/17 | 2.4 | 0.091 |
| 11:45 AM 12/17 | 2.41 | 0.0918 |
| 11:30 AM 12/17 | 2.43 | 0.0934 |
| 11:15 AM 12/17 | 2.44 | 0.116 |
| 11:00 AM 12/17 | 2.45 | 0.116 |
| 10:45 AM 12/17 | 2.46 | 0.117 |
| 10:30 AM 12/17 | 2.48 | 0.119 |
| 10:15 AM 12/17 | 2.49 | 0.12 |
| 10:00 AM 12/17 | 2.5 | 0.121 |
| 9:45 AM 12/17 | 2.52 | 0.123 |
| 9:30 AM 12/17 | 2.53 | 0.124 |
| 9:15 AM 12/17 | 2.55 | 0.126 |
| 9:00 AM 12/17 | 2.55 | 0.126 |
29' -
Major flooding covers the flood plain inside the levees - flow approaches lowest homes upstream in Brownsville - low roads and bridges near the river are flooded and become dangerous - flood prone residents should monitor NOAA weather radio for developing heavy rain and flooding
27' -
Moderate lowland flooding covers much of the flood plain inside the levees - lowest secondary roads and low bridges are flooded near the river - property including irrigation pumps, farm equipment, and livestock should be moved out of the flood plain. Lowest homes are threatened.
26' -
The river is into the lowest areas of the flood plain inside of the levees - no significant damage occurs at this level but flood prone residents or property owners should monitor the level of the river
24' -
The river exceeds the lowest sections of the banks inside the levees
| Date | Stage (ft) |
|---|---|
| Oct 8, 1945 | 31.48 |
| Jul 6, 1973 | 31.43 |
| Oct 19, 1971 | 30.77 |
| Sep 24, 1973 | 30.01 |
| Oct 1, 1973 | 29.59 |
| Jun 30, 1973 | 29.3 |
| Aug 28, 1976 | 28.88 |
| Sep 1, 1976 | 28.87 |
| Jul 31, 1976 | 28.22 |
| Sep 19, 1975 | 28.19 |
| Aug 24, 1975 | 27.81 |
| Jul 14, 1981 | 27.5 |
| Nov 1, 1971 | 27.26 |
| Jun 30, 1981 | 27.2 |
| Oct 8, 1974 | 26.77 |
| Jun 19, 1979 | 26.73 |
| Oct 5, 1976 | 26.48 |
| Sep 20, 1974 | 26.47 |
| Oct 4, 1988 | 26.12 |
| Sep 15, 2010 | 25.93 |
Data provided by the National Weather Service.