NWS Quad Cities IA ILFL.W 0086September 30, 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 2:00 p.m. local time on October 5. It was the 86th 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 4 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
- 9:28 p.m. CDT, September 30, 2026
- In force from
- 12:15 p.m. CDT, October 1, 2026
- Expires
- 2:00 p.m. CDT, October 5, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KDVN FL.W 0086
- 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 Washington, Louisa and Johnson Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River near Lone Tree. * WHEN...From Thursday afternoon to Monday afternoon. * IMPACTS...At 18.0 feet, Sand Road closes south of 520th Street to the Highway 22 intersection. * ADDITIONAL DETAILS... - At 9:00 PM CDT Wednesday the stage was 14.1 feet. - Forecast...The river is expected to rise above flood stage early tomorrow afternoon to a crest of 18.0 feet early Saturday afternoon. It will then fall below flood stage Monday morning. - Flood stage is 16.0 feet.
What the agency told people to do
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Thursday evening.
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.