Flood Watch — Walker + 16 more areasFlood Watch — Walker + 16 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 Walker; San Jacinto; Polk; Montgomery; Northern Liberty; 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 1, 2026 · 9:56 AM CDT
- Record completed
- Sep 1, 2026 · 3:56 PM CDT
- Monitored duration
- 5 hours, 59 minutes
- Official severity
- Severe
- Named areas
- Walker; San Jacinto; Polk; Montgomery; Northern Liberty; additional areas in official record
- Official expiration
- Sep 1, 2026 · 10:00 PM 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
- Walker; San Jacinto; Polk; Montgomery; Northern Liberty; Inland Harris; Chambers; Fort Bend; Inland Brazoria; Inland Galveston; Southern Liberty; Coastal Harris; Coastal Brazoria; Coastal Galveston; Brazoria Islands; Galveston Island; Bolivar Peninsula
- Effective
- 2026-09-01T09:51:00-05:00
- Expires
- 2026-09-01T22:00:00-05:00
- 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.
Latest official-source information
* WHAT...Flooding caused by excessive rainfall continues to be
possible.
* WHERE...A portion of southeast Texas, including the following
areas, Bolivar Peninsula, Brazoria Islands, Chambers, Coastal
Brazoria, Coastal Galveston, Coastal Harris, Fort Bend, Galveston
Island, Inland Brazoria, Inland Galveston, Inland Harris,
Montgomery, Northern Liberty, Polk, San Jacinto, Southern Liberty
and Walker.
* 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...
- 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
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.