Flood Advisory — San Jacinto County, Texas
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Current Status
🌊 Active: Flood Advisory
Flood Advisory issued September 1 at 10:24PM CDT until September 2 at 1:30AM CDT by NWS Houston/Galveston TX
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...North Central Liberty County in southeastern Texas... Southeastern Polk County in southeastern Texas... East Central San Jacinto County in southeastern Texas... * WHEN...Until 130 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. Rises in small streams and normally dry arroyos. * ADDITIONAL DETAILS... - At 1024 PM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. Between 1 and 3 inches of rain have fallen. - Additional rainfall amounts of 1 to 3 inches are expected over the area. This additional rain will result in minor flooding. - Some locations that will experience flooding include... Alabama-Coushatta Reservation, Segno, Rye and Romayor. - http://www.weather.gov/safety/flood
Effective September 1, 2026 at 11:24 PM ET · Expires September 2, 2026 at 2:30 AM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS Houston/Galveston TX
Expires
September 2, 2026 at 2:30 AM ET
Last Checked
1 minute ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Be especially cautious at night when it is harder to recognize the dangers of flooding.
Also In Effect For
This same Flood Advisory also covers:
Other Active Alerts in Texas
Flood Advisory
Flash Flood Warning
Flood Advisory
Flash Flood Warning
Flash Flood Warning
Flash Flood Warning
Get Flood Advisory Alerts for San Jacinto County
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Frequently Asked Questions
What does a Flood Advisory mean for San Jacinto County, Texas?
Minor flooding is expected — not severe enough for a warning, but potentially inconvenient or hazardous for travel.
Is this Flood Advisory currently active?
Yes — this alert is active as of our last check (1 minute ago). It's set to expire September 2, 2026 at 2:30 AM ET.
How do I get notified about Flood Advisory alerts for San Jacinto County?
Download StormCast free on Google Play and set San Jacinto County, Texas as one of your monitored locations. StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
What other areas does this alert cover?
This same Flood Advisory is also in effect for Liberty County, Polk County.