607
WGUS53 KLOT 250137
FFWLOT
ILC031-INC089-250445-
/O.NEW.KLOT.FF.W.0018.260625T0137Z-260625T0445Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
BULLETIN - EAS ACTIVATION REQUESTED
FLASH FLOOD WARNING
NATIONAL WEATHER SERVICE CHICAGO IL
837 PM CDT WED JUN 24 2026
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A
* FLASH FLOOD WARNING FOR...
SOUTHEASTERN COOK COUNTY IN NORTHEASTERN ILLINOIS...
NORTHERN LAKE IN COUNTY IN NORTHWESTERN INDIANA...
* UNTIL 1145 PM CDT.
* AT 837 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING RAINFALL RATES IN EXCESS OF 1 INCH PER
HOUR CONTINUING ACROSS THE WARNED AREA. UP TO 2 INCHES HAS
OCCURRED SO FAR NEAR LEMONT, ORLAND PARK, AND PALOS HILLS. A FEW
REPORTS OF STREET FLOODING HAVE BEEN RECEIVED FROM SOUTHERN COOK
COUNTY.
HAZARD...FLASH FLOODING.
SOURCE...RADAR AND AUTOMATED GAUGES.
IMPACT...RAPID-ONSET FLOODING OF CREEKS, STREAMS, DRAINAGE
DITCHES, STREETS, UNDERPASSES, LOW-LYING AREAS, AND
OTHER POOR DRAINAGE AREAS.
* SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
CHICAGO, HAMMOND, GARY, ORLAND PARK, TINLEY PARK, OAK LAWN,
CALUMET CITY, PORTAGE, MERRILLVILLE, CHICAGO HEIGHTS, ROSELAND,
EAST CHICAGO, SCHERERVILLE, HOBART, LANSING, OAK FOREST, HARVEY,
HIGHLAND, BLUE ISLAND AND MUNSTER.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A FLASH FLOOD WARNING MEANS RAPID-ONSET FLOODING IS IMMINENT OR MAY
ALREADY BE OCCURRING. PERSONS ALONG CREEKS, DRAINAGE DITCHES, AND
OTHER WATERWAYS SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE
AND PROPERTY.
LAT...LON 4153 8779 4156 8779 4156 8784 4161 8791
4165 8791 4167 8794 4169 8795 4172 8791
4172 8774 4166 8753 4163 8746 4160 8722
4158 8722 4147 8723 4147 8753 4147 8773
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1-2 INCHES IN 1 HOUR
WSL
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