820
WGUS73 KLOT 190235
FFSLOT
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
935 PM CDT MON AUG 18 2025
ILC031-INC089-190430-
/O.CON.KLOT.FF.W.0031.000000T0000Z-250819T0430Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COOK IL-LAKE IN IN-
935 PM CDT MON AUG 18 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 1130 PM CDT THIS
EVENING FOR SOUTHEASTERN COOK AND NORTHWESTERN LAKE IN COUNTIES...
AT 935 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THAT RAINFALL RATES HAVE DIMINISHED ACROSS THE WARNED AREA. UP TO 5
INCHES OF RAIN HAVE FALLEN DUE TO EARLIER THUNDERSTORMS. FLOODING IS
EXPECTED TO CONTINUE FOR THE NEXT SEVERAL HOURS.
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, CALUMET CITY, EAST CHICAGO, LANSING,
MUNSTER, DOLTON, SOUTH HOLLAND, SOUTH DEERING, WHITING, EAST SIDE,
HEGEWISCH, RIVERDALE AND BURNHAM.
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 4170 8759 4171 8751 4171 8749 4170 8749
4169 8746 4169 8745 4167 8739 4166 8740
4165 8737 4164 8734 4157 8749 4156 8759
FLASH FLOOD...RADAR AND GAUGE INDICATED
WSL
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