430  
WGUS53 KLOT 182352  
FFWLOT  
ILC007-201-190230-  
/O.NEW.KLOT.FF.W.0023.250818T2352Z-250819T0230Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
 
BULLETIN - EAS ACTIVATION REQUESTED  
FLASH FLOOD WARNING  
NATIONAL WEATHER SERVICE CHICAGO IL  
652 PM CDT MON AUG 18 2025  
 
THE NATIONAL WEATHER SERVICE IN CHICAGO HAS ISSUED A  
 
* FLASH FLOOD WARNING FOR...  
NORTHERN BOONE COUNTY IN NORTH CENTRAL ILLINOIS...  
NORTHERN WINNEBAGO COUNTY IN NORTH CENTRAL ILLINOIS...  
 
* UNTIL 930 PM CDT.  
 
* AT 652 PM CDT, DOPPLER RADAR INDICATED THUNDERSTORMS PRODUCING  
HEAVY RAIN ACROSS THE WARNED AREA. BETWEEN 1 AND 1.5 INCHES OF  
RAIN HAVE FALLEN. ADDITIONAL RAINFALL AMOUNTS OF 1 TO 2.5 INCHES  
ARE POSSIBLE IN THE WARNED AREA. FLASH FLOODING IS ONGOING OR  
EXPECTED TO BEGIN SHORTLY.  
 
HAZARD...FLASH FLOODING.  
 
SOURCE...RADAR.  
 
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...  
MACHESNEY PARK, ROSCOE, SOUTH BELOIT, ROCKTON, LAKE SUMMERSET,  
DURAND, HARRISON AND SHIRLAND.  
 
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 4250 8940 4249 8871 4244 8871 4239 8894  
4234 8940  
 
FLASH FLOOD...RADAR INDICATED  
 
 
 
- IZZI  
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