Alert USA
weather NWS severe Benton, IA; Iowa, IA November 5, 2026 at 3:17 PM

Flood Warning

...The Flood Warning continues for the following rivers in Iowa...

Iowa River at Marengo affecting Benton and Iowa Counties.

* WHAT...Minor flooding is occurring and minor flooding is forecast.

* WHERE...Iowa River at Marengo.

* WHEN...Until Monday morning.

* IMPACTS...At 15.0 feet, Water reaches the bottom of the levee surrounding Marengo. Water affects low lying agricultural land along the river

* ADDITIONAL DETAILS... - At 9:00 AM CST Thursday the stage was 15.0 feet and rising slowly. - Forecast...The river is expected to rise to a crest of 15.5 feet Saturday morning. It will then fall below flood stage early Monday morning. - Flood stage is 15.0 feet.

Flooding in Benton, IA; Iowa, IA 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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