080  
WGUS83 KLOT 072209  
FLSLOT  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE CHICAGO IL  
509 PM CDT SUN JUN 7 2026  
 
ILC099-080030-  
/O.NEW.KLOT.FA.Y.0028.260607T2209Z-260608T0030Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
LA SALLE IL-  
509 PM CDT SUN JUN 7 2026  
   
..FLOOD ADVISORY IN EFFECT UNTIL 730 PM CDT THIS EVENING  
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...A PORTION OF NORTH CENTRAL ILLINOIS, INCLUDING THE  
FOLLOWING COUNTY, LA SALLE.  
 
* WHEN...UNTIL 730 PM CDT.  
 
* IMPACTS...PONDING OF WATER IN LOW LYING AREAS IS EXPECTED. CREEKS  
AND STREAMS MAY RISE OUT OF THEIR BANKS.  
 
* ADDITIONAL DETAILS...  
- AT 506 PM CDT, DOPPLER RADAR INDICATED HEAVY RAIN DUE TO  
THUNDERSTORMS. RADAR RAINFALL ESTIMATES INDICATE RAINFALL  
AMOUNTS OF BETWEEN 1.5 AND 2.5 INCHES HAVE FALLEN ACROSS  
PORTIONS OF THE ADVISORY AREA, WITH ANOTHER 1 TO 2 INCHES  
POSSIBLE IN SOME SPOTS.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
OTTAWA, STREATOR, PERU, LA SALLE, MENDOTA, MARSEILLES,  
SHERIDAN, LAKE HOLIDAY, OGLESBY, SENECA, SOMONAUK, EARLVILLE,  
NORTH UTICA, SERENA, LELAND, TONICA, GRAND RIDGE, NAPLATE,  
MILLINGTON AND DAYTON.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FLOOD ADVISORY MEANS MINOR FLOODING ALONG WATERWAYS AND OTHER POOR  
DRAINAGE AREAS IS IMMINENT OR MAY ALREADY BE OCCURRING. PERSONS IN  
THE ADVISORY AREA SHOULD USE CAUTION AND AVOID FLOOD WATERS.  
 
 
 
LAT...LON 4159 8917 4163 8894 4163 8860 4119 8859  
4111 8904 4110 8916  
 
 
 
RATZER  
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