Severe Thunderstorm Warning Issued for Lafourche, St. Charles, 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This alert is no longer in effect.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 Severe Thunderstorm Warning for parts of southeastern Louisiana until 4:30 AM CDT June 18.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Southeastern Louisiana
- Issued
- July 20, 2026
- Issuing authority
- NWS New Orleans LA
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
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 Severe Thunderstorm Warning (SVR) has been issued by the National Weather Service in New Orleans LA. The alert is effective from 3:40 AM CDT to 4:30 AM CDT on June 18, 2026.
Affected Areas
The warning covers Southwestern St. Charles Parish, Northeastern Terrebonne Parish, and North central Lafourche Parish in southeastern Louisiana. Locations impacted include Houma, Larose, Lockport, Mathews, Paradis, Gray, Des Allemands, Raceland, Bayou Gauche, Bayou Cane, and Boutte.
What You Should Do
Remain alert for a possible tornado. If you spot a tornado, go at once into the basement or small central room in a sturdy structure. Move to an interior room on the lowest floor of a building.
Expected Conditions
At 3:40 AM CDT, a severe thunderstorm was located over Bayou Cane or near Houma, moving northeast at 30 mph. Hazard includes 60 mph wind gusts with possible tornado detection. Expect damage to roofs, siding, and trees.
Timeline
The warning is in effect from 3:40 AM CDT until 4:30 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 (1,052 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 20, 2026.
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