Flood Advisory

Locations Affected

Chicago, IL ∙ Joliet, IL ∙ Naperville, IL ∙ Cicero, IL ∙ Arlington Heights, IL ∙ Schaumburg, IL ∙ Palatine, IL ∙ Bolingbrook, IL ∙ Evanston, IL ∙ Skokie, IL

Full Alert Message

Flood Advisory National Weather Service Chicago IL 941 PM CDT Fri Apr 17 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 345 AM CDT SATURDAY... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...A portion of northeast Illinois, including the following counties, Cook, DuPage and Will. * WHEN...Until 345 AM CDT Saturday. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Roads and streets may be flooded. * ADDITIONAL DETAILS... - At 940 PM CDT, Doppler radar indicated rainfall rates up to 1 inch per hour moving into the area. Up to 1 inch of rainfall was been observed so far in northern Cook County due to earlier rainfall. Roadway and underpass flooding may occur shortly after the onset of heavy rainfall. - Isolated rainfall up to 1 inch may occur across the area. - Some locations that will experience flooding include... Chicago, Aurora, Joliet, Naperville, Elgin, Cicero, Arlington Heights, Evanston, Schaumburg, Bolingbrook, Palatine, Skokie, Des Plaines, Orland Park, Tinley Park, Oak Lawn, Berwyn, Mount Prospect, Wheaton and Hoffman Estates. - http://www.weather.gov/safety/flood PRECAUTIONARY/PREPAREDNESS ACTIONS... A Flood Advisory means minor flooding along waterways and other poor drainage areas is imminent or may already be occurring. Persons in the advisory area should use caution and avoid flood waters. && LAT...LON 4207 8824 4215 8824 4215 8774 4212 8771 4208 8767 4199 8764 4197 8762 4195 8762 4191 8761 4190 8758 4188 8759 4188 8760 4187 8759 4185 8759 4177 8755 4176 8753 4147 8753 4146 8825 4206 8826

---