Alert USA
weather NWS severe Jefferson, MO; St. Louis, MO June 16, 2026 at 2:21 AM

Flood Warning

...The National Weather Service in St Louis has issued a Flood Warning for the following rivers in Missouri...

Meramec River near Arnold.

River forecasts are based on observed precipitation and forecast precipitation for the next 24 hours.

* WHAT...Minor flooding is forecast.

* WHERE...Meramec River near Arnold.

* WHEN...From Tuesday morning to Saturday afternoon.

* IMPACTS...At 24.7 feet, Hawkins Road south of Meramec Bottom Road begins flooding.

* ADDITIONAL DETAILS... - At 9:00 PM CDT

Flooding in Jefferson, MO; St. Louis, MO 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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