BATON ROUGE, Louisiana — Over 8 inches of rain has fallen across parts of southern Louisiana in just the past 48 hours, with 8.54 inches recorded just west of Baton Rouge as of 1:00 AM ET Sunday May 10, 2026. Multiple flood warnings are in place across the region as the extraordinary rainfall totals continue pushing rivers, creeks and drainage systems well beyond capacity from Opelousas and Lafayette through Baton Rouge, New Orleans and Slidell.
48-Hour Rainfall Totals Across Southern Louisiana
The observed rainfall map valid 1:00 AM ET May 10, 2026 shows:
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- Just west of Baton Rouge: 8.54 inches — the highest confirmed point total on the map
- Baton Rouge corridor: 5.75 to 10 inches — deep blue shading covering the full metro area
- Opelousas: 4.5 to 5.75 inches
- Lafayette and New Iberia: 4.5 to 5.75…