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Flood Advisory

Status

New Event Active alert

Start Time

Sun 06/21/2026 08:56 PM EDT

End Time

Mon 06/22/2026 12:00 AM EDT

Significance

Advisory

Impacts

Low impact

Locations Affected

Gary, IN ∙ Hammond, IN ∙ Hobart, IN ∙ Sauk Village, IL ∙ Hazel Crest, IL ∙ Calumet Park, IL ∙ Schererville, IN ∙ Merrillville, IN ∙ Dolton, IL ∙ Midlothian, IL

Full Alert Message

Flood Advisory National Weather Service Chicago IL 756 PM CDT Sun Jun 21 2026 ...FLOOD ADVISORY IN EFFECT UNTIL 11 PM CDT THIS EVENING... * WHAT...Flooding caused by excessive rainfall is expected. * WHERE...Portions of southern Cook and northern Lake, IN counties. * 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 754 PM CDT, Doppler radar and automated rain gauges indicate around 1.5 inches of rain have fallen over the past few hours due to persistent, steady rainfall. - Additional rainfall amounts of 0.5 to 1 inch are expected over the area. This additional rain will result in minor flooding. - 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.NEW.KLOT.FA.Y.0045.260622T0056Z-260622T0400Z/ /00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/ Cook IL-Lake IN IN- 756 PM CDT Sun Jun 21 2026