Tombigbee River at Demopolis Lock and Dam, AL
River level and flood forecast · Marengo County
Normal33.5 ftas of Mon 2:15 PM
The river is 34.5 ft below flood stage (68 ft).
Forecast to fall to 33.0 ft by Sat, Oct 17, 7 AM.
Flow: 3,330 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 9:05 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 92 ft |
| Moderate flood stage | 77 ft |
| Flood stage | 68 ft |
| Action stage | 68 ft |
| Record crest (April 19, 1979) | 92.3 ft |
What floods at each level
From the National Weather Service, highest first.
- 92 ftSevere flooding occurs in Greene...Sumter...and Marengo counties with numerous evacuations required.
- 84 ftSome industrial and residential flooding begins just upstream from Demopolis Dam at 88 feet. Widespread flooding in Greene...Marengo...and Sumter counties occurs and some evacuations may be necessary.
- 77 ftFlooding of numerous cabins and trailers near the river can be expected.
- 73 ftSome cabins and trailers along the river begin to flood...as well as some secondary roads.
- 68 ftFlooding of lowlands in the area occurs and cattle should be moved to higher ground.
Highest crests on record
- 92.3 ft — April 19, 1979
- 91.7 ft — February 28, 1961
- 87.2 ft — December 25, 1961
- 85.2 ft — March 29, 1980
- 85.09999999999998 ft — May 27, 1983
Recent crests: 72.47 ft (April 10, 2025) · 70.86 ft (February 15, 2024) · 71.42 ft (April 20, 2022) · 73.71 ft (March 26, 2022) · 71.33 ft (February 27, 2022)
Up and down the river, and nearby
- UpstreamTombigbee River at Gainesville Lock and Dam, AL
- DownstreamTombigbee River near Nanafalia, AL
- Black Warrior River below Selden Dam, AL
- Sucarnoochee River at Livingston, AL
- Cahaba River at Suttle, AL
- Alabama River near Miller's Ferry, AL
- Cahaba River at Marion Junction, AL
- Bassett Creek near Thomasville, AL
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (DLDA1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.