Alert USA
weather NWS severe St. Tammany, LA June 18, 2026 at 3:06 PM

Flood Warning

...Forecast flooding changed from Moderate to Major severity and increased in duration for the following rivers in Louisiana...

Tchefuncte River Near Folsom affecting St. Tammany Parish.

Tchefuncte River Above U.S. Highway 190 Near Covington affecting St. Tammany Parish.

For the Tchefuncte River...including Folsom, U.S. Highway 190 Near Covington...Major flooding is forecast.

* WHAT...Moderate flooding is occurring and moderate flooding is forecast.

* WHERE...Tchefuncte River above U.S. Hig

Flooding in St. Tammany, LA can cut off roads with little warning, damage homes near low-lying areas, and disrupt power and water service. Even a few inches of moving water can carry away a vehicle.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Alert USA anticipates a high chance of travel disruptions, elevated property risk in low-lying areas, and possible power outages while the event is active.

Recommended steps: avoid flooded roads — turn around, don't drown; move to higher ground if you are in a low-lying area; charge phones and prepare for power loss; check on family and neighbors.

Alert USA is tracking this flood event and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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