Flood Advisory — St. John The Baptist County, Louisiana
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 August 27 at 6:24AM CDT until August 27 at 8:30AM CDT by NWS New Orleans LA
* WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Northwestern Jefferson Parish in southeastern Louisiana... Southwestern Orleans Parish in southeastern Louisiana... Northwestern St. Bernard Parish in southeastern Louisiana... Northern St. Charles Parish in southeastern Louisiana... Central St. John The Baptist Parish in southeastern Louisiana... * WHEN...Until 830 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas. * ADDITIONAL DETAILS... - At 624 AM CDT, Doppler radar indicated heavy rain due to thunderstorms. Minor flooding is ongoing or expected to begin shortly in the advisory area. - 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... New Orleans, Kenner, Metairie, Hahnville, Avondale, Laplace, Marrero, Harvey, Reserve, Timberlane, Chalmette, East New Orleans, Jefferson, Gretna, Harahan, Westwego, St. Rose,
Effective August 27, 2026 at 7:24 AM ET · Expires August 27, 2026 at 9:30 AM ET
Event Details
Event Type
Flood Advisory
Severity
minor
Issued By
NWS New Orleans LA
Expires
August 27, 2026 at 9:30 AM ET
Last Checked
59 minutes ago
What To Do
📋 Official NWS Guidance
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles.
Also In Effect For
This same Flood Advisory also covers:
Other Active Alerts in Louisiana
Flood Advisory
Flood Advisory
Flood Advisory
Flood Advisory
Flood Advisory
Flood Advisory
Get Flood Advisory Alerts for St. John The Baptist County
StormCast checks the NWS feed continuously and pushes alerts like this directly to your phone — even with the screen off.
Frequently Asked Questions
What does a Flood Advisory mean for St. John The Baptist County, Louisiana?
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 (59 minutes ago). It's set to expire August 27, 2026 at 9:30 AM ET.
How do I get notified about Flood Advisory alerts for St. John The Baptist County?
Download StormCast free on Google Play and set St. John The Baptist County, Louisiana 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 St. Charles County.