Colorado River (TX) 4 miles SW of Ira below Lake J. B. Thomas

1. 37.00 ftState Highway 350 begins to flood.
2. 32.00 ftMajor flooding occurs along both banks. Considerable ranch and farm land flood. Cattle and equipment in the flood plain will be endangered.
3. 23.00 ftthe river reaches major flood stage, and the right bank begins to overflow. Major overbank flooding occurs along the left bank. Cattle are threatened and oil equipment may be submerged. No other flood threats are known.
4. 20.00 ftthe river reaches moderate flood stage, and the main channel begins to overflow, but only along the left bank. Moderate flooding of ranch and oil land begins. A sparse cattle population and some oil equipment may be threatened.
5. 8.00 ftthe river reaches minor flood stage, and the initial low water channel overflows. However, water remains within the main channel. No significant flood damage is expected.

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

• August 14, 1972: 16.39 ft
• July 6, 1948: 21.35 ft
• May 1, 1947: 25.10 ft
• June 20, 1939: 24.70 ft
• June 16, 1913: 32.00 ft

• Colorado River (TX) at Lake JB Thomas
• Deep Creek 1 mile W of Dunn at Dunn
• Colorado River (TX) 1 mile WSW of Colorado City at Colorado City
• Colorado River (TX) 13 miles SE of Gail at Gail
• Morgan Creek (TX) at Lake Colorado City
• Champion Creek at Champion Creek Reservoir
• Beals Creek 11 miles S of Westbrook at Westbrook
• Moss Creek at Moss Creek Lake

Forecasts by the West Gulf River Forecast Center. Forecasts are not available. Only observed stages are available for this point.

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.