San Antonio River at Mitchell Street, TX
River level and flood forecast · Bexar County
Normal4.4 ftas of Mon 2:45 PM
The river is 8.6 ft below flood stage (13 ft).
Flow: 21 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 19 ft |
| Moderate flood stage | 15 ft |
| Flood stage | 13 ft |
| Action stage | 12 ft |
| Record crest (May 25, 2013) | 14.67 ft |
What floods at each level
From the National Weather Service, highest first.
- 22 ftSeveral homes in the San Antonio River flood plain south of IH-10 are flooded. Water is in the San Antonio Public Works Department motor pool parking lot and buildings.
- 20 ftFlow is to the slab of the lowest homes along San Antonio River south of the IH-10 crossing and near the slab of the lowest buildings of the City of San Antonio Public Works Department motor pool and parking lot.
- 15 ftHomes along Crofton Ave and Guenther Street, and parts of the G W Brackenridge High School property are threatened by flood waters. Moderate lowland flooding is several feet deep in low areas of the flood plain.
- 13 ftMinor lowland flooding goes over banks into the flood plain including portions of Roosevelt Park.
Highest crests on record
- 14.67 ft — May 25, 2013
- 14.39 ft — June 12, 2025
- 14.34 ft — June 2, 2016
- 12.94 ft — October 17, 1998
- 11.74 ft — December 3, 2016
Recent crests: 14.39 ft (June 12, 2025) · 11.2 ft (April 21, 2023) · 9.35 ft (October 27, 2021) · 10.99 ft (May 1, 2021) · 11.26 ft (May 24, 2020)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (MTST2); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.