Flood Warning Issued for Mermentau River in Louisiana
This alert is no longer in effect.
NOAA issued it on July 16, 2026, 5 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 Lake Charles has issued a Flood Warning for the Mermentau River near Mermentau, with minor flooding forecast from late Thursday night until further notice.
Read this weather record in 30 seconds
- Record type
- Flood Warning
- Affected area
- Acadia, Jefferson Davis, and Vermilion Parishes, Louisiana
- Issued
- July 16, 2026
- Issuing authority
- NWS Lake Charles 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 5 weeks ago; use the issuing agency's live warning service for current conditions in Acadia, Jefferson Davis, and Vermilion Parishes, Louisiana.
Alert Details
A Flood Warning has been issued by the National Weather Service in Lake Charles LA. The alert was sent at 9:56 AM CDT on June 16, 2026, and is effective immediately.
Affected Areas
The warning covers Acadia Parish, Jefferson Davis Parish, and Vermilion Parish in Louisiana, specifically the Mermentau River near Mermentau.
What You Should Do
Residents should avoid areas near the river.
Expected Conditions
Minor lowland flooding is forecast near the river at 4.0 feet. The river stage was 3.2 feet at 9:15 AM CDT on Tuesday.
Timeline
The river is expected to rise above flood stage early Friday morning and continue rising to 4.0 feet early Friday morning, with possible additional rises thereafter. The warning remains in effect from late Thursday night until further notice. Flood stage is 4.0 feet.
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 (835 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to July 16, 2026.
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