Flood Watch
Status
Event Continued ExpiredStart Time
Sat 04/04/2026 12:56 AM EDTEnd Time
Sat 04/04/2026 11:00 AM EDTSignificance
WatchImpacts
Moderate impact
Locations Affected
Chicago, IL ∙ Joliet, IL ∙ Rockford, IL ∙ Naperville, IL ∙ Aurora, IL ∙ Elgin, IL ∙ Cicero, IL ∙ Waukegan, IL ∙ Evanston, IL ∙ Hammond, INFull Alert Message
Flood Watch National Weather Service Chicago IL 1156 PM CDT Fri Apr 3 2026 ...FLOOD WATCH REMAINS IN EFFECT UNTIL 10 AM CDT /11 AM EDT/ SATURDAY... * WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northern and central Illinois and northwest Indiana. * WHEN...Until 10 AM CDT /11 AM EDT/ Saturday. * IMPACTS...Roads and streets may be flooded. Area creeks and streams are already elevated, increasing the risk of flooding due to additional rainfall. * ADDITIONAL DETAILS... - Recent rounds of heavy rainfall have left soils saturated and stream and creek levels elevated across the area. Additional rounds of heavy rainfall overnight may lead to rapid run-off and an increased threat of flash flooding. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Watch for flash flooding means rapid-onset flooding is possible, but not yet certain, based upon the latest forecasts. Flash flooding is a dangerous situation. Persons with interests along area rivers, creeks, and other waterways should monitor the latest forecasts and be prepared to take action should flooding develop.
Technical Header
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-041500- /O.CON.KLOT.FA.A.0002.000000T0000Z-260404T1500Z/ /00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-Northern Cook-Central Cook-Southern Cook-Northern Will-Southern Will- Eastern Will-Lake IN-Porter-Newton-Jasper-Benton- Including the cities of Gibson City, Portage, Sycamore, Plainfield, Downers Grove, Morris, Channahon, Waukegan, Minooka, Schaumburg, Naperville, Coal City, Elgin, Calumet City, Northbrook, Oxford, Oswego, Orland Park, Palatine, Streator, DeMotte, Gary, Watseka, Morocco, Mendota, Des Plaines, Algonquin, Gurnee, La Grange, Wilmington, Rockford, Evanston, Joliet, Park Forest, Manhattan, Crystal Lake, Cicero, Oak Park, Merrillville, Wheaton, Hammond, Aurora, Bradley, La Salle, Bourbonnais, Bolingbrook, Rochelle, Valparaiso, Beecher, DeKalb, Chesterton, Kankakee, Plano, McHenry, Rensselaer, Yorkville, Paxton, Mundelein, Lemont, Oregon, Fowler, Ottawa, Buffalo Grove, Chicago, Pontiac, Woodstock, Byron, Mokena, Kentland, Marseilles, Dwight, Gilman, Carol Stream, Belvidere, Roselawn, Fairbury, Crete, Dixon, Oak Forest, Oak Lawn, Lombard, and Peotone 1156 PM CDT Fri Apr 3 2026 /1256 AM EDT Sat Apr 4 2026/
