NWS Quad Cities IA ILFL.W 0074September 20, 2026
Flood Warning: Benton and Iowa County, IA
The National Weather Service office in Quad Cities IA issued a flood warning for Benton and Iowa County in Iowa, which was in force until 2:00 a.m. local time on September 22. It was the 74th 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 31 hours; 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
- Benton and Iowa County
- State
- Iowa
- Level
- Warning
- Issued
- 10:02 a.m. CDT, September 20, 2026
- In force from
- 7:00 p.m. CDT, September 20, 2026
- Expires
- 2:00 a.m. CDT, September 22, 2026
- CAP severity, certainty, urgency
- Severe, Likely, Expected
- VTEC event
- KDVN FL.W 0074
- 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 at Marengo affecting Iowa and Benton Counties. * WHAT...Minor flooding is forecast. * WHERE...Iowa River at Marengo. * WHEN...From this evening to late Monday night. * IMPACTS...At 15.0 feet, Water reaches the bottom of the levee surrounding Marengo. Water affects low lying agricultural land along the river * ADDITIONAL DETAILS... - At 9:00 AM CDT Sunday the stage was 12.7 feet and rising. - Forecast...The river is expected to rise above flood stage this evening to a crest of 15.4 feet overnight. It will then fall below flood stage Monday afternoon. - Flood stage is 15.0 feet.
What the agency told people to do
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Caution is urged when walking near riverbanks. Additional information is available at www.weather.gov/quadcities. The next statement will be issued by Monday morning.
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.