Station Name: Trinity Rv at Wallisville, TX
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 13 feet

Nearest Address:
US Army Corps Road
Wallisville, TX 77597
Chambers County

GPS Coordinates: 29.8124434, -94.7313087

Nearby Water Temperatures

Flood Watch issued May 21 at 1:54PM CDT until May 25 at 7:00AM CDT by NWS Houston/Galveston TX

Effective: Thu May 21, 2026, 1:54 PM
Expires: Fri May 22, 2026, 11:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of south central and southeast Texas, including the following areas, in south central Texas, Coastal Jackson and Inland Jackson. In southeast Texas, Brazoria Islands, Coastal Brazoria, Coastal Galveston, Coastal Matagorda, Fort Bend, Galveston Island, Inland Brazoria, Inland Galveston, Inland Matagorda, Matagorda Islands and Wharton. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Areas along the coast, especially Matagorda and Brazoria Counties, received 6-8" of rainfall over the past two days. These areas in particular are vulnerable to additional rounds of rainfall over the next 24-48 hours, which brings the potential for flash flooding. The next round of rain is expected late this evening or Friday morning. Rainfall rates are expected to peak in the 3-4+" per hour range in the heaviest downpours. Additional rainfall totals through Monday are anticipated to be in the 4-6" range with isolated higher totals. The Flood Watch will likely be expanded going into the weekend. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Flood Watch issued May 22 at 12:50AM CDT until May 25 at 7:00AM CDT by NWS Houston/Galveston TX

Effective: Fri May 22, 2026, 12:50 AM
Expires: Fri May 22, 2026, 9:00 AM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of south central and southeast Texas, including the following areas, in south central Texas, Coastal Jackson and Inland Jackson. In southeast Texas, Brazoria Islands, Coastal Brazoria, Coastal Galveston, Coastal Matagorda, Fort Bend, Galveston Island, Inland Brazoria, Inland Galveston, Inland Matagorda, Matagorda Islands and Wharton. * WHEN...Through Monday morning. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Areas along the coast, especially Matagorda and Brazoria Counties, received 6-8" of rainfall over the past two days. These areas in particular are vulnerable to additional rounds of rainfall over the next 24-48 hours, which brings the potential for flash flooding. The next round of rain is expected late this evening or Friday morning. Rainfall rates are expected to peak in the 3-4+" per hour range in the heaviest downpours. Additional rainfall totals through Monday are anticipated to be in the 4-6" range with isolated higher totals. The Flood Watch will likely be expanded going into the weekend. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.