Rio Grande at Lower Brownsville
Critical Stages
24' - Action
27' - Flood
28' - Moderate
29' - Major
Latest Observation
Updated: 12:15 AM CST 12/16/25
Status: No Flooding
Stage: 2.85 ft
Flow: 0.157 kcfs
Forecast
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 6 AM 12/16 | 3.1 | 0.184 |
| 12 PM 12/16 | 3.3 | 0.207 |
| 6 PM 12/16 | 3.4 | 0.218 |
| 12 AM 12/17 | 3.5 | 0.23 |
| 6 AM 12/17 | 3.6 | 0.241 |
| 12 PM 12/17 | 3.6 | 0.241 |
| 6 PM 12/17 | 3.6 | 0.241 |
| 12 AM 12/18 | 3.6 | 0.241 |
| 6 AM 12/18 | 3.6 | 0.241 |
| 12 PM 12/18 | 3.5 | 0.23 |
| 6 PM 12/18 | 3.5 | 0.23 |
| 12 AM 12/19 | 3.5 | 0.23 |
| 6 AM 12/19 | 3.4 | 0.218 |
| 12 PM 12/19 | 3.4 | 0.218 |
| 6 PM 12/19 | 3.4 | 0.218 |
| 12 AM 12/20 | 3.3 | 0.207 |
| 6 AM 12/20 | 3.3 | 0.207 |
| Time | Stage (ft) | Flow (kcfs) |
|---|---|---|
| 12:15 AM 12/16 | 2.85 | 0.157 |
| 12:00 AM 12/16 | 2.86 | 0.158 |
| 11:45 PM 12/15 | 2.85 | 0.157 |
| 11:30 PM 12/15 | 2.85 | 0.157 |
| 11:15 PM 12/15 | 2.85 | 0.157 |
| 11:00 PM 12/15 | 2.84 | 0.156 |
| 10:45 PM 12/15 | 2.84 | 0.156 |
| 10:30 PM 12/15 | 2.84 | 0.156 |
| 10:15 PM 12/15 | 2.83 | 0.155 |
| 10:00 PM 12/15 | 2.82 | 0.154 |
| 9:45 PM 12/15 | 2.82 | 0.154 |
| 9:30 PM 12/15 | 2.8 | 0.152 |
| 9:15 PM 12/15 | 2.79 | 0.151 |
| 9:00 PM 12/15 | 2.79 | 0.151 |
| 8:45 PM 12/15 | 2.78 | 0.15 |
| 8:30 PM 12/15 | 2.77 | 0.149 |
| 8:15 PM 12/15 | 2.76 | 0.148 |
| 8:00 PM 12/15 | 2.75 | 0.146 |
| 7:45 PM 12/15 | 2.74 | 0.145 |
| 7:30 PM 12/15 | 2.73 | 0.144 |
| 7:15 PM 12/15 | 2.72 | 0.143 |
| 7:00 PM 12/15 | 2.71 | 0.142 |
| 6:45 PM 12/15 | 2.7 | 0.141 |
| 6:30 PM 12/15 | 2.69 | 0.14 |
| 6:15 PM 12/15 | 2.69 | 0.14 |
| 6:00 PM 12/15 | 2.67 | 0.138 |
| 5:45 PM 12/15 | 2.67 | 0.138 |
| 5:30 PM 12/15 | 2.66 | 0.137 |
| 5:15 PM 12/15 | 2.66 | 0.137 |
| 5:00 PM 12/15 | 2.66 | 0.137 |
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.