Flood Advisory issued September 20 at 1:28PM CDT until September 20 at 7:30PM CDT by NWS Chicago IL
Issue date: 2026-09-20T18:28+00:00
* WHAT...Flooding caused by excessive rainfall continues. * WHERE...Lee County in north central Illinois... * WHEN...Until 730 PM CDT Sunday. * IMPACTS...Creeks and streams may rise out of their banks. Slow moving or standing water may continue. High water likely may recede slowly from flooded areas. * ADDITIONAL DETAILS... - At 125 PM CDT, minor flooding continues in the advisory area after heavy rain due to thunderstorms early this morning. Between 2 and 5 inches of rain fell. - Though additional heavy rain is not expected, standing water and elevated creeks and streams will persist into this afternoon. A Flood Warning is also in effect along and near the Green River. - Some locations that will experience flooding include... Amboy, Paw Paw, Sublette, Woodhaven Lakes, Compton, West Brooklyn, Harmon and Lee Center. - http://www.weather.gov/safety/flood
Flood Warning issued September 20 at 10:10AM CDT until September 20 at 7:15PM CDT by NWS Chicago IL
Issue date: 2026-09-20T15:10+00:00
* WHAT...Flooding caused by excessive rainfall on the Green River and nearby tributaries. * WHERE...Lee County in north central Illinois... * WHEN...Until 715 PM CDT Sunday. * IMPACTS...Area creeks and streams are already elevated, with additional rises possible, especially with any additional rainfall. * ADDITIONAL DETAILS... - At 958 AM CDT, law enforcement and emergency management reported that water from area fields and small creeks continues to flow through Green River basin after heavy rain in the warned area early this morning. Flooding is already occurring, with rises on the Green River possible this afternoon. - Additional rain is expected, with localized amounts up to 0.5 inches possible through this afternoon. - Some locations that will experience flooding include... Amboy. - http://www.weather.gov/safety/flood
