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Severe · Flood WatchActive alert

Flood Watch issued September 3 at 9:12AM CDT until September 3 at

Affecting Houston; Trinity; Madison; Walker; San Jacinto; Polk; Brazos; Grimes; Montgomery; Northern Liberty; Southern Liberty

In effect until: Sep 4, 2026, 12:00 AM

Houston; Trinity; Madison; Walker; San Jacinto; Polk; Brazos; Grimes; Montgomery; Northern Liberty; Southern Liberty

Possible impact zone; conditions develop through 12:00 AM.

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.

Read the original bulletin (official text)
* WHAT...Flooding caused by excessive rainfall continues to be
possible.

* WHERE...A portion of southeast Texas, including the following
areas, Brazos, Grimes, Houston, Madison, Montgomery, Northern
Liberty, Polk, San Jacinto, Southern Liberty, Trinity and Walker.

* WHEN...Until 7 PM CDT this 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...
- A swath of very high rainfall totals over portions of Liberty,
Polk, San Jacinto, Montgomery, and Trinity Counties has saturated
the ground. Rainfall has not been as significant further to the
west and northwest. That said, periods of showers and
thunderstorms are anticipated through this evening in association
with the remnants of Edouard. Embedded, training rain rates
between 2-4 inches per hour are possible in this deep tropical
airmass. Where this occurs, especially over the already hardest
hit areas, rainfall will rapidly runoff to produce flash
flooding. Those living in areas prone to flooding should be
prepared to take action should flooding develop. Stay weather
aware and be ready to take action when Flash Flood Warnings are
issued, particularly wireless emergency alert Flash Flood
Warnings for considerable and/or catastrophic flooding.
- http://www.weather.gov/safety/flood
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™