Flash Flood Warning Issued for Assumption, Lafourche, Terrebonne Parishes
This alert is no longer in effect.
NOAA issued it on May 17, 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.
NWS New Orleans has issued a Flash Flood Warning for parts of southeastern Louisiana until 3:15 PM CDT on May 9.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southeastern Louisiana
- Issued
- May 17, 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 12:11 PM CDT on May 9, 2026, until 3:15 PM CDT on May 9, 2026.
Affected Areas
The warning covers East Central Assumption Parish, Northwestern Lafourche Parish, and Northeastern Terrebonne Parish in southeastern Louisiana. Specific locations that may experience flash flooding include Houma, Thibodaux, Lockport, Gray, Bayou Cane, Raceland, Schriever, Mathews, Chackbay, and Labadieville.
What You Should Do
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Residents should report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when it is safe to do so.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2.5 inches of rain have already fallen, with additional rainfall amounts of 1 to 3 inches possible. Flash flooding is ongoing or expected to begin shortly.
Timeline
The Flash Flood Warning is in effect from 12:11 PM CDT until 3:15 PM CDT on May 9, 2026.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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.
Similar body length
Nearest notices by article body length (1,205 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 17, 2026.
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