Alert USA
weather NWS severe Hancock, IL; McDonough, IL June 22, 2026 at 1:58 AM

Flood Warning

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

Iowa River at Marengo affecting Iowa and Benton Counties.

La Moine River at Colmar affecting Hancock and McDonough Counties.

* WHAT...Minor flooding is occurring.

* WHERE...La Moine River at Colmar.

* WHEN...From this evening to early Tuesday afternoon.

* IMPACTS...At 20.0 feet, Water affects the lowest portions of Lambert Road and affects Lamar Road approximately 100 feet north of the intersection with County R

Flooding in Hancock, IL; McDonough, IL 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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