Flash Flood Warning Issued for Six Parishes in Southeastern Louisiana

Source: NOAA · Southeastern Louisiana

This alert is no longer in effect.

NOAA issued it on May 19, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

The National Weather Service has issued a Flash Flood Warning for six parishes in southeastern Louisiana until 8:00 PM CDT on May 11.

Read this weather record in 30 seconds

Record type
Flash Flood Warning
Affected area
Southeastern Louisiana
Issued
May 19, 2026
Issuing authority
NWS New Orleans LA

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Southeastern Louisiana.

Alert Details

A Flash Flood Warning has been issued by the National Weather Service in New Orleans. The alert is effective from 6:02 PM CDT on May 11, 2026, until 8:00 PM CDT on May 11, 2026.

Affected Areas

The warning covers Northwestern Ascension Parish, Southwestern East Baton Rouge Parish, East Central Iberville Parish, Livingston Parish, Southwestern Tangipahoa Parish, and Southeastern West Baton Rouge Parish in southeastern Louisiana.

What You Should Do

Residents should turn around and avoid driving through flooded roads. Most flood deaths occur in vehicles.

Expected Conditions

Doppler radar indicated thunderstorms producing heavy rain across the warned area, with 1 to 3 inches of rain already fallen and an additional 1 to 2 inches possible. Flash flooding is ongoing or expected to begin shortly.

Timeline

The Flash Flood Warning is in effect until 8:00 PM CDT on May 11, 2026.

Original source: NOAA Official Notice ↗

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Nationwide notices with similar length or severity timing 8

Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
The National Weather Service has issued a Flash Flood Warning for six parishes in southeastern Louisiana until 8:00 PM CDT on May 11.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Southeastern Louisiana. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.