Flash Flood Warning — Orleans County, Louisiana
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Current Status
🌊 Active: Flash Flood Warning
Flash Flood Warning issued August 21 at 3:18PM CDT until August 21 at 6:15PM CDT by NWS New Orleans LA
FFWLIX The National Weather Service in New Orleans has issued a * Flash Flood Warning for... Northeastern Jefferson Parish in southeastern Louisiana... Southwestern Orleans Parish in southeastern Louisiana... Northwestern Plaquemines Parish in southeastern Louisiana... * Until 615 PM CDT. * At 318 PM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by thunderstorms. SOURCE...Radar indicated. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. * Some locations that will experience flash flooding include... Timberlane, Harvey, Belle Chasse, Marrero, Gretna, Terrytown, Woodmere and Estelle.
Effective August 21, 2026 at 4:18 PM ET · Expires August 21, 2026 at 7:15 PM ET
Event Details
Event Type
Flash Flood Warning
Severity
severe
Issued By
NWS New Orleans LA
Expires
August 21, 2026 at 7:15 PM ET
Last Checked
34 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 Flash Flood Warning also covers:
Other Active Alerts in Louisiana
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Flood Advisory
Severe Thunderstorm Watch
Severe Thunderstorm Watch
Get Flash Flood Warning Alerts for Orleans 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 Flash Flood Warning mean for Orleans County, Louisiana?
Flooding is imminent or already occurring. Move to higher ground immediately — never drive through flooded roads.
Is this Flash Flood Warning currently active?
Yes — this alert is active as of our last check (34 minutes ago). It's set to expire August 21, 2026 at 7:15 PM ET.
How do I get notified about Flash Flood Warning alerts for Orleans County?
Download StormCast free on Google Play and set Orleans 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 Flash Flood Warning is also in effect for Plaquemines County, Jefferson County.