Nueces River at Mathis

1. 48.70 ftFlood of record - Septemeber 24, 1967 - remnants of Hurricane Beulah (138,000 cfs).
2. 43.50 ftMassive life threatening flooding occurs, and severely damages residential areas below Bluntzer to Calallen. Major flooding of the flood plain below Lake Corpus Christi to below Bluntzer, floods roads and bridges near the river. Livestock are cut off and potentially drowned. Just below the dam, water is over the Highway 359 bridge around the right end.
3. 29.34 ftMajor lowland flooding occurs, causing widespread evacuations downstream above Calallen. The west bank residents below Bluntzer may be cut off for several weeks.
4. 28.00 ftMajor lowland flooding occurs, causing widespread evacuations downstream above Calallen. The west bank residents below Bluntzer may be cut off for 4 to 6 weeks.
5. 27.00 ftFlow moves into a secondary channel, 700 feet left of main channel, resulting in two channels. These channels merge at 43.5 feet.
6. 26.00 ftModerate lowland flooding occurs. Many homes downstream between Bluntzer and Calallan become flooded, with residents possibly cut off for weeks.
7. 25.00 ftMinor lowland flooding occurs. Flow escapes secondary banks of the main channel. There is widespread flooding of the flood plain downstream, between Bluntzer and Calallen, cutting off many homes and residential areas for days and possibly weeks.
8. 20.00 ftOverbank conditions continue. Residents downstream near Bluntzer may become isolated.
9. 17.00 ftMany homes in flood prone areas downstream above Calallen are cut off and surrounded by water.
10. 16.00 ftThe river reaches bankfull stage. Short peak releases will flood homes near Calallen.
11. 13.00 ftSustained flow will isolate homes downstream near Calallen.
12. 12.00 ftFlow cuts off the lowest homes downstream above Calallen.

Chance of flooding, September to November

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

Most recent crests

• October 2, 2021: 5.88 ft
• July 9, 2021: 12.47 ft
• June 4, 2021: 7.49 ft
• September 10, 2020: 4.56 ft
• November 1, 2018: 28.09 ft
• October 12, 2017: 19.45 ft
• January 22, 2017: 6.32 ft
• September 30, 2016: 5.59 ft
• June 18, 2015: 26.21 ft
• June 9, 2015: 25.15 ft

• UpstreamNueces River at George West
• DownstreamNueces River at Lake Corpus Christi
• Nueces River at Bluntzer
• Lagarto Creek at George West
• Ricon Bayou Channel at Calallen
• Nueces River at Calallen
• San Fernando Creek at Alice
• Aransas River at Skidmore
• San Diego Creek at Alice

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.

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.