West Fork Trinity River at Grand Prairie

1. 33.00 ftMajor flooding may start to occur at low lying areas near the river in north Grand Prairie. Contact the city of Grand Prairie for further information.
2. 30.00 ftModerate flooding will occur along the lowland areas of the river.
3. 27.00 ftMinor flooding of lowland areas may occur near the river.

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

• September 22, 2018: 27.21 ft
• November 29, 2015: 31.60 ft
• May 29, 2015: 29.29 ft
• September 9, 2010: 30.88 ft
• March 31, 2007: 30.25 ft
• March 20, 2006: 31.55 ft
• July 30, 2004: 27.42 ft
• June 11, 2004: 37.25 ft
• March 17, 1998: 28.89 ft
• February 21, 1997: 30.65 ft

• UpstreamWest Fork Trinity River at Fort Worth
• DownstreamTrinity River at Dallas
• North Texas Lakes at Mountain Creek Lake
• North Texas Lakes at Joe Pool Lake
• North Texas Lakes at Lake Arlington
• Walnut Creek at Mansfield
• Elm Fork Trinity River at Carrollton
• North Texas Lakes at Lake Grapevine
• White Rock Creek at Dallas

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.