Alert USA
weather NWS severe Brown, OH; Clermont, OH June 18, 2026 at 5:43 AM

Flash Flood Warning

FFWILN

The National Weather Service in Wilmington has issued a

* Flash Flood Warning for... Northwestern Brown County in southwestern Ohio... Northern Clermont County in southwestern Ohio...

* Until 500 AM EDT.

* At 143 AM EDT, radar and automated rain gauges indicated thunderstorms producing heavy rain across the warned area. Between 1 and 2 inches of rain have fallen. Additional rainfall amounts up to 1 inch are possible. Flash flooding is ongoing or expected to begin shortly.

HAZARD...Li

Flooding in Brown, OH; Clermont, OH 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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