Rivers in Texas
Medina River at San Antonio US 281S
Below flood stage
2.98ftStage
Observed Wed, Sep 23, 4:15 AM CDT
- Flood stage
- 20.00 ft
- Record crest
- 55.65 ft2002
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 28.00 ft |
| Moderate flood | 24.00 ft |
| Minor flood | 20.00 ft |
| Action | 16.00 ft |
- 28.00 ftMajor flooding puts the Farm to Market 1937 bridge floor under eight feet of water. Flow approaches homes downstream near Losoya. Livestock are cut off and potentiallly drowned in the flood plain.
- 24.00 ftModerate lowland flooding floods secondary roads and bridges making them dangerous to traffic.
- 20.00 ftMinor lowland flooding reaches the Farm to Market 1937 bridge floor.
- 16.00 ftOverbank conditions with water extending into lowest areas of the flood plain with no significant damage.
Flood outlook
Chance of flooding, September to November
| Category | Chance |
|---|---|
| Minor flooding | 28% |
| Moderate flooding | 18% |
| Major flooding | 6% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.
Crest history
19 crests on NOAA’s list since 1900.
| # | Date | Stage |
|---|---|---|
| 1 | July 4, 2002 | 55.65 ft |
| 2 | July 1, 1900 | 55.00 ft |
| 3 | October 18, 1998 | 49.47 ft |
| 4 | July 17, 1973 | 43.59 ft |
| 5 | August 29, 1946 | 41.57 ft |
| 6 | June 5, 1987 | 37.37 ft |
| 7 | May 26, 2013 | 32.37 ft |
| 8 | July 1, 1936 | 32.20 ft |
| 9 | December 22, 1992 | 30.16 ft |
| 10 | June 14, 1981 | 29.04 ft |
| 11 | June 23, 1997 | 28.14 ft |
| 12 | July 7, 2021 | 27.93 ft |
| 13 | June 3, 2016 | 26.62 ft |
| 14 | November 17, 2004 | 26.28 ft |
| 15 | June 12, 2025 | 25.31 ft |
| 16 | June 29, 2007 | 24.96 ft |
| 17 | May 6, 1993 | 23.79 ft |
| 18 | October 14, 2021 | 22.77 ft |
| 19 | May 24, 2015 | 20.91 ft |
Most recent crests
- June 12, 2025: 25.31 ft
- October 14, 2021: 22.77 ft
- July 7, 2021: 27.93 ft
- June 3, 2016: 26.62 ft
- May 24, 2015: 20.91 ft
- May 26, 2013: 32.37 ft
- June 29, 2007: 24.96 ft
- November 17, 2004: 26.28 ft
- July 4, 2002: 55.65 ft
- October 18, 1998: 49.47 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the West Gulf River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.