Texas Severe Flood Watch | Effective 09/01/2026 13:54

Headline: 
Flood Watch issued September 1 at 3:54PM CDT until September 2 at 7:00PM CDT by NWS Houston/Galveston TX
Event: 
Flood Watch
Urgency: 
Future
Effective: 
September 1, 2026 - 1:54pm
Expires: 
September 2, 2026 - 2:00am
Description: 
Potential for Life Threatening Flash Flooding. * WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of southeast Texas, including the following areas, Bolivar Peninsula, Brazoria Islands, Brazos, Chambers, Coastal Brazoria, Coastal Galveston, Coastal Harris, Fort Bend, Galveston Island, Grimes, Houston, Inland Brazoria, Inland Galveston, Inland Harris, Madison, Montgomery, Northern Liberty, Polk, San Jacinto, Southern Liberty, Trinity, Walker and Waller. * WHEN...Through Wednesday evening. * 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... - There is an increased danger to lives and property due to flash flooding. Flash flooding is likely and considerable flash flooding possible. Periods of moderate to heavy rainfall associated with Tropical Storm Edouard are expected to begin as early as this morning and lasting into Wednesday evening. 3-6 inches with isolated amounts up to 10-15 inches are expected with the highest totals occuring along and east of I-45. Rainfall rates will exceed 3-4 inches per hour at times in the heaviest downpours, which can lead to flash flooding especially in urban and vulnerable areas. - Http://www.weather.gov/safety/flood
Instruction: 
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 especially at night. Do not drive your vehicle or walk into areas where water covers the roadway as the water depth may be too great to allow you to cross safely.
Area Description: 
Houston; Trinity; Madison; Walker; San Jacinto; Polk; Brazos; Grimes; Montgomery; Northern Liberty; Waller; Inland Harris; Chambers; Fort Bend; Inland Brazoria; Inland Galveston; Southern Liberty; Coastal Harris; Coastal Brazoria; Coastal Galveston; Brazoria Islands; Galveston Island; Bolivar Peninsula
Forcast Office: 
NWS Houston/Galveston TX
Sender: 
w-nws.webmaster@noaa.gov