Rivers in Texas

Medina River near Somerset

Bexar County, TexasNWS SMMT2USGS 08180800New Braunfels office

Below flood stage
4.11ftStage

Observed Tue, Sep 22, 10:45 AM CDT

Flood stage
18.00 ft
Record crest
42.19 ft2002

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood24.00 ft
Moderate flood22.00 ft
Minor flood18.00 ft
Action15.00 ft
  1. 35.00 ftHighway 16 floods.
  2. 29.39 ftFlood of Record (07/17/1973).
  3. 28.20 ftFood of 05/30/1987 - Many homes flooded from above Von Ormy downstream to below Peaesall Road - Flow 26,000 CFS.
  4. 24.00 ftMajor flooding reaches the Highway 16 bridge floor. Water reaches homes and businesses near Von Ormy upstream (16,000 CFS).
  5. 23.40 ftJune 23, 1997 03:15 AM (14,800 CFS) - No structural damage reported below Medina Lake to the San Antonio River confluence.
  6. 22.70 ftOctober 18, 1998 15:15 PM (13,500 CFS) - No reported structural flooding below Medina Lake to the San Antonio River confluence. Gauge is between Medio Creek and Leon Creek inflows.
  7. 21.00 ftRating flattens considerably - Flow into flood plain.
  8. 18.00 ftMinor flooding threatens buildings in campground at confluence of Medina River and Medio Creek.
  9. 15.00 ftWater reaches slab of Knights of Columbus business office at Medina River and Pearsall Road upstream near Von Ormy.
  10. 12.00 ftBanckfull.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding10%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Crest history

5 crests on NOAA’s list since 2002.

#DateStage
1July 6, 200242.19 ft
2October 24, 200222.08 ft
3September 23, 201818.19 ft
4May 2, 202117.10 ft
5October 14, 202115.29 ft

Most recent crests

  • October 14, 2021: 15.29 ft
  • May 2, 2021: 17.10 ft
  • September 23, 2018: 18.19 ft
  • October 24, 2002: 22.08 ft
  • July 6, 2002: 42.19 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.