NWS Quad Cities IA ILFL.W 0069September 20, 2026
Flood Warning: Johnson, Louisa and Washington County, IA
The National Weather Service office in Quad Cities IA issued a flood warning for Johnson, Louisa and Washington County in Iowa, which was in force until 6:00 p.m. local time on September 22. It was the 69th river flood warning the NWS office in Quad Cities IA issued in 2026. Iowa had 29 flood warnings in September 2026, against 18 in an average September of 2008-2025 (Iowa's flood warnings by year).
ExpiredWarning
In force for 2 days; it has expired. The agency may have replaced it with a new notice.
The notice
- Issued by
- National Weather Service, Quad Cities IA IL
- Area
- Johnson, Louisa and Washington County
- State
- Iowa
- Level
- Warning
- Issued
- 5:43 a.m. CDT, September 20, 2026
- In force from
- 10:49 a.m. CDT, September 20, 2026
- Expires
- 6:00 p.m. CDT, September 22, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KDVN FL.W 0069
- Official source
- National Weather Service: the notice at its source
Source: National Weather Service: the notice at its source. AreaZine rebuilds this page from the agency's record; the agency's page is the one to act on. A U.S. Government work, in the public domain.
The notice as issued
...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.
What the agency told people to do
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.
Source: National Weather Service: the notice at its source. The text is the agency's, unedited. A U.S. Government work, in the public domain.