Iowa Severe Flood Warning | Effective 06/18/2026 18:28

Headline: 
Flood Warning issued June 18 at 8:28PM CDT until June 20 at 6:12AM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Immediate
Effective: 
June 18, 2026 - 6:28pm
Expires: 
June 19, 2026 - 6:30pm
Description: 
...The Flood Warning continues for the following rivers in Iowa... Iowa River at Wapello affecting Louisa County. Iowa River near Lone Tree affecting Washington, Johnson and Louisa Counties. Iowa River at Oakville affecting Louisa County. English River at Kalona affecting Washington and Johnson Counties. Iowa River at Marengo affecting Benton and Iowa Counties. * WHAT...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...English River at Kalona. * WHEN...Until Saturday morning. * IMPACTS...At 17.0 feet, Water begins going over several county roads, including 13th St, Kiwi Ave, Orange Ave and Poplar Ave. * ADDITIONAL DETAILS... - At 8:00 PM CDT Thursday the stage was 17.2 feet and falling. - Forecast...The river is expected to fall below flood stage late tomorrow evening and continue falling to 6.7 feet Thursday, June 25. - Flood stage is 14.0 feet.
Instruction: 
Motorists should not attempt to drive around barricades or drive cars through flooded areas. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. The next statement will be issued by Friday evening at 830 PM CDT.
Area Description: 
Johnson, IA; Washington, IA
Forcast Office: 
NWS Quad Cities IA IL