Rio Grande at Boquillas Crossing, TX
River level and flood forecast · Brewster County
Normal2.5 ftas of Mon 2 PM
The river is 10.5 ft below flood stage (13 ft).
Forecast to hold near 2.5 ft through Sat, Oct 17, 7 AM.
Flow: 51 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 8:16 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 20 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 13 ft |
| Action stage | 10 ft |
| Record crest (October 3, 1978) | 25.5 ft |
What floods at each level
From the National Weather Service, highest first.
- 26.25 ftthe river threatens the Big Bend Park employee living quarters at Rio Grande Village. Evacuations will likely be required.
- 25 ftthe river continues to inundate Rio Grande Village campground. The campground store also begins to flood at stages over 25 feet (7.62 meters).
- 22 ftthe river completely submerges the telemetry box near the pump house, rendering it useless.
- 20 ftthe river reaches major flood stage. Rio Grande Village campground begins to flood. Evacuations may be necessary. The rain gauge near pump house will be affected.
- 19 ftthe river reaches the bottom of telemetry box near the pump house.
- 15 ftthe river reaches moderate flood stage. Water pumps submerge.
- 13 ftthe river reaches minor flood stage. Water reaches the water pumps maintained by the park service that are used to water the campgrounds and to provide water to the employee living quarters. It may be necessary for park personnel to remove the pumps.
- 12 ftthe river reaches bankfull, and no damage is expected. Preparations may be necessary to remove water pumps. The park should be notified at this time if additional rises are expected so they will have time to remove the pumps.
Highest crests on record
- 25.5 ft — October 3, 1978
- 24.78 ft — September 22, 2008
- 21 ft — October 3, 1990
- 20.97 ft — July 3, 2025
- 17.64 ft — October 22, 2021
Recent crests: 14.67 ft (September 30, 2026) · 15.12 ft (July 22, 2025) · 20.97 ft (July 3, 2025) · 16.49 ft (May 28, 2023) · 17.39 ft (October 12, 2022)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BOQT2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.