| Event | Flood Warning |
| Severity | Severe |
| Urgency | Expected |
| Certainty | Likely |
| Area | Johnson, IA; Louisa, IA; Washington, IA |
| Effective | 9/20/2026, 5:43:00 AM CDT |
| Expires | 9/21/2026, 5:45:00 AM CDT |
Flood Warning issued September 20 at 5:43AM CDT until September 22 at 6:00PM CDT by NWS Quad Cities IA IL
Details
…The National Weather Service in Quad Cities has issued a Flood
Warning for the following rivers in Iowa…
Iowa River near Lone Tree affecting Louisa, Washington and Johnson
Counties.
* WHAT…Minor flooding is forecast.
* WHERE…Iowa River near Lone Tree.
* WHEN…From this morning to Tuesday evening.
* IMPACTS…At 18.0 feet, Sand Road closes south of 520th Street to
the Highway 22 intersection.
* ADDITIONAL DETAILS…
– At 5:00 AM CDT Sunday the stage was 13.7 feet.
– Forecast…The river is expected to rise above flood stage late
this morning to a crest of 18.0 feet this evening. It will then
fall below flood stage late Tuesday morning.
– Flood stage is 16.0 feet.
Instructions
Turn around, don’t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Additional information is available at www.weather.gov/quadcities.
The next statement will be issued by late tonight.
This alert was automatically posted by SkyGuard, MWSC’s severe weather alerting system. Source: National Weather Service.
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