Illinois Severe Flood Warning | Effective 06/18/2026 00:47

Headline: 
Flood Warning issued June 18 at 2:47AM CDT until June 20 at 9:18AM CDT by NWS Lincoln IL
Event: 
Flood Warning
Urgency: 
Expected
Effective: 
June 18, 2026 - 12:47am
Expires: 
June 18, 2026 - 5:00pm
Description: 
...The National Weather Service in Lincoln IL has issued a Flood Warning for the following rivers in Illinois... Spoon River at London Mills affecting Fulton and Knox Counties. .The following forecasts are based on observed precipitation, soil moisture conditions, and forecast precipitation. * WHAT...Minor flooding is forecast. * WHERE...Spoon River at London Mills. * WHEN...From this morning to late Saturday morning. * ADDITIONAL DETAILS... - At 1:45 AM CDT Thursday the stage was 13.1 feet. - Forecast...The river is expected to rise above flood stage this morning to a crest of 17.4 feet tomorrow morning. It will then fall below flood stage early Saturday morning. - Flood stage is 15.0 feet. - http://www.weather.gov/safety/flood
Instruction: 
Persons with interests along this river need to remain aware of the latest forecasts and associated flood risk for their area. Stay tuned for further updates on this flooding situation. Additional information is available at www.weather.gov.
Area Description: 
Fulton, IL; Knox, IL
Forcast Office: 
NWS Lincoln IL
Sender: 
w-nws.webmaster@noaa.gov