222
WGUS73 KLOT 182342
FFSLOT
FLASH FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
642 PM CDT MON AUG 18 2025
ILC037-103-190200-
/O.CON.KLOT.FF.W.0022.000000T0000Z-250819T0200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
DE KALB IL-LEE IL-
642 PM CDT MON AUG 18 2025
...FLASH FLOOD WARNING REMAINS IN EFFECT UNTIL 9 PM CDT THIS EVENING
FOR SOUTHWESTERN DE KALB AND SOUTHEASTERN LEE COUNTIES...
AT 642 PM CDT, DOPPLER RADAR AND AUTOMATED RAIN GAUGES INDICATED
THUNDERSTORMS PRODUCING HEAVY RAIN ACROSS THE WARNED AREA WITH RATES
UP TO 2 TO 3 INCHES PER HOUR. UP TO 5.5 INCHES HAS FALLEN SO FAR
NEAR PAW PAW. ADDITIONAL WAVES OF HEAVY RAINFALL ARE MOVING INTO THE
AREA, WITH RAINFALL AMOUNTS UP TO 1 INCH POSSIBLE OVER THE NEXT HOUR.
HAZARD...SIGNIFICANT FLASH FLOODING.
SOURCE...RADAR AND AUTOMATED GAUGES.
IMPACT...RAPID-ONSET, SIGNIFICANT FLOODING OF CREEKS, STREAMS,
DRAINAGE DITCHES, LOW-LYING AREAS, AND POOR DRAINAGE
AREAS. WIDESPREAD STREET AND UNDERPASS FLOODING.
POSSIBLE FLOODING OF STRUCTURES. POSSIBLE FLOODING OF
HIGHWAYS.
SOME LOCATIONS THAT WILL EXPERIENCE FLASH FLOODING INCLUDE...
SHABBONA, WATERMAN, PAW PAW, SUBLETTE, WOODHAVEN LAKES, LEE,
COMPTON AND WEST BROOKLYN.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TURN AROUND, DON'T DROWN WHEN ENCOUNTERING FLOODED ROADS. MOST FLOOD
DEATHS OCCUR IN VEHICLES.
LAT...LON 4164 8929 4170 8930 4179 8920 4179 8904
4180 8875 4163 8874 4163 8880 4163 8881
4163 8884 4163 8886 4163 8887 4163 8917
FLASH FLOOD...RADAR AND GAUGE INDICATED
FLASH FLOOD DAMAGE THREAT...CONSIDERABLE
EXPECTED RAINFALL RATE...2-3 INCHES IN 1 HOUR
WSL
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