Flood Gauges
USGS and NWS river stage monitoring for Bexar County.
Olmos Ck at Dresden Dr, San Antonio, TX
Gauge 08177700
- Current
- 2.02 ft
- Forecast
- 2.12 ft
- Flood Stage
- 15 ft
- % of Flood
- 13%
San Antonio Rv at San Antonio, TX
Gauge 08178000
- Current
- 4.04 ft
- Forecast
- 4.24 ft
- Flood Stage
- 15 ft
- % of Flood
- 27%
San Antonio Rv at Mitchell St, San Antonio, TX
Gauge 08178050
- Current
- 4.53 ft
- Forecast
- 4.76 ft
- Flood Stage
- 15 ft
- % of Flood
- 30%
San Pedro Ck at Furnish St, San Antonio, TX
Gauge 08178500
- Current
- 2.77 ft
- Forecast
- 2.91 ft
- Flood Stage
- 15 ft
- % of Flood
- 18%
San Antonio Rv at Loop 410, San Antonio, TX
Gauge 08178565
- Current
- 4.32 ft
- Forecast
- 4.54 ft
- Flood Stage
- 15 ft
- % of Flood
- 29%
Salado Ck at Wilderness Rd, San Antonio, TX
Gauge 08178585
- Current
- 4.34 ft
- Forecast
- 4.56 ft
- Flood Stage
- 11 ft
- % of Flood
- 39%
Salado Ck at Blanco Rd, San Antonio, TX
Gauge 08178593
- Current
- 3.53 ft
- Forecast
- 3.71 ft
- Flood Stage
- 15 ft
- % of Flood
- 24%
Salado Ck at Loop 410, San Antonio, TX
Gauge 08178700
- Current
- 3.21 ft
- Forecast
- 3.37 ft
- Flood Stage
- 15 ft
- % of Flood
- 21%
Salado Ck at Loop 13, San Antonio, TX
Gauge 08178800
- Current
- 6.05 ft
- Forecast
- 6.35 ft
- Flood Stage
- 10 ft
- % of Flood
- 61%
San Geronimo Ck nr Helotes, TX
Gauge 08180586
- Current
- 3.83 ft
- Forecast
- 4.02 ft
- Flood Stage
- 15 ft
- % of Flood
- 26%
Medina Rv nr Macdona, TX
Gauge 08180700
- Current
- 3.01 ft
- Forecast
- 3.16 ft
- Flood Stage
- 15 ft
- % of Flood
- 20%
Medina Rv nr Somerset, TX
Gauge 08180800
- Current
- 6.37 ft
- Forecast
- 6.69 ft
- Flood Stage
- 15 ft
- % of Flood
- 42%
Culebra Ck in GCSNA nr Helotes, TX
Gauge 08180941
- Current
- 0.17 ft
- Forecast
- 0.18 ft
- Flood Stage
- 15 ft
- % of Flood
- 1%
Helotes Ck at Helotes, TX
Gauge 08181400
- Current
- 0.91 ft
- Forecast
- 0.96 ft
- Flood Stage
- 12 ft
- % of Flood
- 8%
Leon Ck at Lp 410 at San Antonio, TX
Gauge 08181435
- Current
- 7 ft
- Forecast
- 7.35 ft
- Flood Stage
- 15 ft
- % of Flood
- 47%
Leon Ck at IH 35, San Antonio, TX
Gauge 08181480
- Current
- 6.77 ft
- Forecast
- 7.11 ft
- Flood Stage
- 15 ft
- % of Flood
- 45%
Medina Rv at San Antonio, TX
Gauge 08181500
- Current
- 7.15 ft
- Forecast
- 7.51 ft
- Flood Stage
- 16 ft
- % of Flood
- 45%
San Antonio Rv nr Braunig Lk nr Elmendorf, TX
Gauge 08181725
- Current
- 16.45 ft
- Forecast
- 17.27 ft
- Flood Stage
- 15 ft
- % of Flood
- 110%
San Antonio Rv nr Elmendorf, TX
Gauge 08181800
- Current
- 24.84 ft
- Forecast
- 26.08 ft
- Flood Stage
- 9 ft
- % of Flood
- 276%
Cibolo Ck at Selma, TX
Gauge 08185000
- Current
- 6.24 ft
- Forecast
- 6.55 ft
- Flood Stage
- 15 ft
- % of Flood
- 42%
Martinez Ck nr Saint Hedwig, TX
Gauge 08185100
- Current
- 10.06 ft
- Forecast
- 10.56 ft
- Flood Stage
- 15 ft
- % of Flood
- 67%
Last updated: 7/17/2026, 8:36:50 AM