Flash Flood Warning Issued for Lafourche and Terrebonne Parishes, LA
This alert is no longer in effect.
NOAA issued it on July 20, 2026, 4 weeks 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 Western Lafourche Parish and North Central Terrebonne Parish until 6:30 AM CDT.
Read this weather record in 30 seconds
- Record type
- Flash Flood Warning
- Affected area
- Southeastern Louisiana
- Issued
- July 20, 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 4 weeks 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 June 18 at 3:30 AM CDT until June 18 at 6:30 AM CDT.
Affected Areas
The warning covers Western Lafourche Parish and North Central Terrebonne Parish in southeastern Louisiana.
What You Should Do
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.
Expected Conditions
Doppler radar indicated thunderstorms producing heavy rain across the warned area. Flash flooding is ongoing or expected to begin shortly. Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas is expected.
Timeline
The warning is in effect from 3:30 AM CDT to 6:30 AM CDT on June 18, 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 (921 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 20, 2026.
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