862
WGUS73 KLOT 090345
FFSLOT
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
945 PM CST THU JAN 8 2026
ILC031-197-090500-
/O.CON.KLOT.FF.W.0002.000000T0000Z-260109T0500Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
COOK IL-WILL IL-
945 PM CST THU JAN 8 2026
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 11 PM CST THIS
EVENING FOR SOUTHEASTERN COOK AND NORTHWESTERN WILL COUNTIES...
AT 945 PM CST, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED A
LINE OF HEAVY RAINFALL EXTENDING FROM NEAR CHICAGO TO ORLAND PARK TO
MOKENA. THIS LINE OF SHOWERS AND THUNDERSTORMS IS DRIFTING SLOWLY
EASTWARD WITH RAINFALL RATES IN EXCESS OF 1 INCH PER HOUR. WORSENING
OF FLOOD IMPACTS IS EXPECTED SHORTLY AFTER THE RAINFALL ONSET.
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, JOLIET, HAMMOND, BOLINGBROOK, ORLAND PARK, TINLEY PARK,
ROMEOVILLE, PLAINFIELD, CALUMET CITY, CHICAGO HEIGHTS, ROSELAND,
LANSING, OAK FOREST, HARVEY, LOCKPORT, NEW LENOX, HOMER GLEN, BLUE
ISLAND, MUNSTER AND DOLTON.
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.
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 4158 8822 4164 8819 4164 8791 4170 8752
4169 8752 4165 8752 4164 8752 4163 8752
4159 8752 4157 8752 4156 8752 4153 8752
4147 8753 4147 8766 4147 8768 4146 8825
FLASH FLOOD...RADAR AND GAUGE INDICATED
EXPECTED RAINFALL RATE...1-1.5 INCHES IN 1 HOUR
WSL
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