Alert USA
weather NWS severe McDonough, IL; Warren, IL June 17, 2026 at 2:08 PM

Flash Flood Warning

FFWDVN

The National Weather Service in Quad Cities has issued a

* Flash Flood Warning for... McDonough County in west central Illinois... Southern Warren County in west central Illinois...

* Until 315 PM CDT Wednesday.

* At 908 AM CDT, Doppler radar indicated thunderstorms producing heavy rain across the warned area. Between 1 and 3 inches of rain have fallen. Additional rainfall amounts of 1 to 3 inches are possible in the warned area. Flash flooding is ongoing or expected to begin shortly.

Flooding in McDonough, IL; Warren, 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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