9
Extreme
Flood Risk in Louisiana
Overall State Risk Score: 9/10
Louisiana faces extreme flood risk. 10 of 29 counties (34%) rated high or very high by FEMA National Risk Index.
Seasonal pattern: March-September
Notable Flood Events
Flood - New Orleans, LA Region, United States
May 28, 2025 — WARNING
New Orleans, LA
489,000 people exposed; $83,003M capital exposed
Flood - New Orleans, LA Region, United States
July 25, 2024 — WARNING
New Orleans, LA
282,000 people exposed; $52,549M capital exposed
Flood - New Orleans, LA Region, United States
August 28, 2023 — WARNING
New Orleans, LA
Impact data not available
Other Hazards in Louisiana
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