Illinois Flood Warning | Effective 04/18/2026 07:33

Headline: 
Flood Warning issued April 18 at 9:33AM CDT by NWS Quad Cities IA IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
April 18, 2026 - 7:33am
Expires: 
April 19, 2026 - 7:45am
Description: 
...Forecast flooding changed from Moderate to Major severity for the following rivers in Illinois... Rock River at Moline affecting Henry IL and Rock Island Counties. Rock River near Joslin affecting Whiteside, Henry IL and Rock Island Counties. * WHAT...Minor flooding is occurring and major flooding is forecast. * WHERE...Rock River near Joslin. * WHEN...Until further notice. * IMPACTS...At 16.5 feet, Water affects the lowest sections of Broadway and Main Street in Cleveland and affects a few homes. * ADDITIONAL DETAILS... - At 8:45 AM CDT Saturday the stage was 13.8 feet and rising. - Forecast...The river is expected to rise to a crest of 17.0 feet Wednesday evening. - Flood stage is 12.0 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 Sunday morning at 945 AM CDT.
Area Description: 
Henry, IL; Rock Island, IL; Whiteside, IL
Forcast Office: 
NWS Quad Cities IA IL