Flood Warning Issued for Little Miami River Near South Lebanon in Warren County

Alert Details

The National Weather Service in Wilmington OH has issued a Flood Warning for the Little Miami River near South Lebanon. The warning was issued on March 3 at 10:28 PM EST and remains in effect until March 5 at 10:00 PM EST.

Affected Areas

The primary area of concern is the Little Miami River near South Lebanon in Warren County, Ohio. Specific locations and roads expected to see impacts include:

• Broadway, McKinley, and Pike Streets in South Lebanon
• Mason-Morrow-Millgrove Road
• Areas within the village of Morrow
• Regions near Turtle Creek

What You Should Do

Residents and motorists are advised to take the following precautions:

• Turn around, don’t drown: Never attempt to drive through flooded roads. Most flood-related fatalities occur in vehicles.
• Avoid areas near the riverbanks until water levels recede.
• Monitor local weather updates for changes in the forecast.

Expected Conditions

Minor flooding is forecast for the region. As of 10:00 PM EST on Tuesday, the river stage was recorded at 9.0 feet. The flood stage for this area is 19.0 feet.

Key hydrological forecasts include:

• First Peak: The river is expected to rise above flood stage late Wednesday morning, reaching a crest of 20.7 feet by early Wednesday afternoon.
• Recession: Water levels are expected to fall below flood stage late Wednesday evening to approximately 17.1 feet by Thursday morning.
• Second Peak: The river is forecast to rise above flood stage again to 19.1 feet early Thursday afternoon before falling below flood stage later that day.

Timeline

• Alert Issued: March 3, 2026, at 10:28 PM EST
• Flood Onset: Wednesday, March 4, 2026, at 11:02 AM EST
• Warning Expiration: Thursday, March 5, 2026, at 10:00 PM EST