Flood Watch — Houston + 13 more areasFlood Watch — Houston + 13 more areas
Completed official-source record with preserved facts and meaningful-change history. The final record does not infer impacts the source did not report.
What the preserved official data shows
This Flood Watch left the National Weather Service active-alert feed after being preserved by Texas Disaster Watch. The official record named Houston; Trinity; Madison; Walker; San Jacinto; additional areas in official record. Completion confirms the alert is no longer in the active feed; it does not by itself establish damage or other impacts.
- First collected
- Sep 2, 2026 · 9:55 PM CDT
- Record completed
- Sep 3, 2026 · 12:05 AM CDT
- Monitored duration
- 2 hours, 10 minutes
- Official severity
- Severe
- Named areas
- Houston; Trinity; Madison; Walker; San Jacinto; additional areas in official record
- Official expiration
- Sep 3, 2026 · 7:00 AM CDT
- Final monitor status
- Left the active NWS alert feed
Show the Official Affected Area
The map distinguishes an official point, official warning/perimeter geometry, and optional satellite thermal detections. Aerial imagery is a basemap and may be older than the incident.
Record facts
- Event
- Flood Watch
- Affected Texas areas
- Houston; Trinity; Madison; Walker; San Jacinto; Polk; Brazos; Grimes; Montgomery; Northern Liberty; Waller; Inland Harris; Southern Liberty; Coastal Harris
- Effective
- 2026-09-02T21:50:00-05:00
- Expires
- 2026-09-03T07:00:00-05:00
- Issuing authority
- NWS Houston/Galveston TX
Completed
Official record ended or left the source’s active window.
Instructions preserved with the record
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.
Latest official-source information
Flood Watch Still In Effect for Portions of Southeast Texas.
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of southeast Texas, including the following
areas, Brazos, Coastal Harris, Grimes, Houston, Inland Harris,
Madison, Montgomery, Northern Liberty, Polk, San Jacinto, Southern
Liberty, Trinity, Walker and Waller.
* WHEN...Until 7 AM CDT Thursday.
* 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 3 to 10 inches has fallen over portions of southeast
Texas over the last 24 hours. Pockets of higher totals between
10-15+ inches has been observed in Liberty and Polk counties. The
remnants of Edouard have stalled over the Piney Woods which will
lead to additional periods of moderate to heavy rainfall through
Thursday. An additional 2-6 inches with isolated higher totals of
10-12 inches are possible over the next 24 hours. The NWS has
issued a High Risk for excessive rainfall through Thursday
morning and potential flash flooding for the hardest hit areas
especially as rainfall rates will exceed 2-4 inches per hour.
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
Meaningful official changes
The complete source history remains preserved. Routine monitoring snapshots and small gauge fluctuations are condensed here for readability.
- Record completedOfficial record ended or left the source’s active window.
- First recordedNew official record added to the monitor.
Original source
This record is derived from an official public source. Texas Hazard Watch preserves and organizes it but does not replace the issuing authority.