Flood Advisory
Status
Event Continued Active alertStart Time
Sun 06/21/2026 09:52 PM EDTEnd Time
Mon 06/22/2026 12:00 AM EDTSignificance
AdvisoryImpacts
Low impact
Locations Affected
Hammond, IN ∙ Gary, IN ∙ Lansing, IL ∙ Oak Forest, IL ∙ Flossmoor, IL ∙ New Elliott, IN ∙ East Hazel Crest, IL ∙ Liverpool, IN ∙ Glenwood, IL ∙ Robbins, ILFull Alert Message
Flood Advisory National Weather Service Chicago IL 852 PM CDT Sun Jun 21 2026 ...FLOOD ADVISORY REMAINS IN EFFECT UNTIL 11 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall continues. * WHERE...Portions of southern Cook and northern Lake, IN counties, including the I-80/90/94 corridors. * WHEN...Until 1100 PM CDT. * IMPACTS...Creeks and streams may rise out of their banks. Flooding may occur in poor drainage and urban areas. Underpasses may be flooded. * ADDITIONAL DETAILS... - At 848 PM CDT, Doppler radar and automated rain gauges indicate between 1.5 and 2 inches of rain have fallen over the past few hours due to persistent, steady rainfall. - Additional rainfall amounts up to 1 inch are expected over the area. This additional rain will result in minor flooding. Several area creeks and streams are at bankfull or rising to near minor flood stage. - Some locations that will experience flooding include... Chicago, Hammond, Gary, Tinley Park, Calumet City, Portage, Merrillville, Chicago Heights, Roseland, East Chicago, Schererville, Hobart, Lansing, Oak Forest, Harvey, Highland, Blue Island, Munster, Dolton and Park Forest. - 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 4164 8778 4172 8751 4169 8746 4170 8744 4169 8740 4167 8739 4166 8740 4165 8737 4163 8728 4164 8723 4163 8721 4162 8722 4148 8722 4147 8779
Technical Header
ILC031-INC089-220400- /O.CON.KLOT.FA.Y.0045.000000T0000Z-260622T0400Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cook IL-Lake IN IN- 852 PM CDT Sun Jun 21 2026