Flood Warning Issued for Little Miami River in Warren County, Ohio

Alert Details

The National Weather Service in Wilmington has issued a Flood Warning for the Little Miami River near South Lebanon. The alert was issued at 12:57 AM EST on Thursday, March 5, 2026, as river levels are projected to rise above flood stage.

Affected Areas

The warning specifically impacts Warren County, Ohio. Geographic regions at risk include areas adjacent to the Little Miami River near South Lebanon, Foster, and Morrow. Specific roads expected to see impacts include Front Street in Morrow, Stubbs Mills Road, and stretches of Mason Morrow Millgrove Road.

What You Should Do

Residents and motorists are urged to follow the safety mantra: “Turn around, don’t drown” when encountering flooded roads. The National Weather Service reminds the public that most flood deaths occur in vehicles. It is advised to avoid the affected areas and monitor local weather updates.

Expected Conditions

Minor flooding is forecast for the region. As of 12:00 AM EST Thursday, the river stage was measured at 15.5 feet. The river is expected to rise above the flood stage of 19.0 feet early this morning, reaching a crest of 20.0 feet. At this level, floodwaters will approach low-lying roads in Foster and South Lebanon, in addition to flooding along Front Street in Morrow and nearby rural roads.

Timeline

The Flood Warning is effective immediately as of 12:57 AM EST, Thursday, March 5. The river is expected to crest this morning and fall below flood stage by late morning. The warning is currently scheduled to expire at 3:37 PM EST this afternoon.