084  
WGUS63 KLSX 080641  
FFALSX  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
FLOOD WATCH  
NATIONAL WEATHER SERVICE ST LOUIS MO  
141 AM CDT MON JUN 8 2026  
 
ILZ058>060-064-065-069-070-074-096>102-MOZ036-051-052-059>065-082145-  
/O.EXB.KLSX.FA.A.0005.260608T1200Z-260609T0600Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
GREENE IL-MACOUPIN IL-MONTGOMERY IL-BOND IL-FAYETTE IL-CLINTON IL-  
MARION IL-WASHINGTON IL-BROWN IL-PIKE IL-CALHOUN IL-JERSEY IL-  
MADISON IL-SAINT CLAIR IL-MONROE IL-PIKE MO-MONTGOMERY MO-LINCOLN  
MO-GASCONADE MO-WARREN MO-SAINT CHARLES MO-FRANKLIN MO-SAINT  
LOUIS MO-SAINT LOUIS CITY MO-JEFFERSON MO-  
INCLUDING THE CITIES OF MOUNT STERLING, WASHINGTON, LITCHFIELD,  
BOWLING GREEN, BELLEVILLE, CAHOKIA, SAINT CHARLES, SULLIVAN,  
VANDALIA, PITTSFIELD, ALTON, UNION, SAINT LOUIS, SALEM, EDWARDSVILLE,  
AND CENTRALIA  
141 AM CDT MON JUN 8 2026  
 
...FLOOD WATCH IN EFFECT FROM 7 AM CDT THIS MORNING THROUGH LATE  
TONIGHT...  
 
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE  
POSSIBLE.  
 
* WHERE...PORTIONS OF ILLINOIS, INCLUDING THE FOLLOWING AREAS, BOND  
IL, BROWN IL, CALHOUN IL, CLINTON IL, FAYETTE IL, GREENE IL, JERSEY  
IL, MACOUPIN IL, MADISON IL, MARION IL, MONROE IL, MONTGOMERY IL,  
PIKE IL, SAINT CLAIR IL AND WASHINGTON IL AND MISSOURI, INCLUDING  
THE FOLLOWING AREAS, FRANKLIN MO, GASCONADE MO, JEFFERSON MO,  
LINCOLN MO, MONTGOMERY MO, PIKE MO, SAINT CHARLES MO, SAINT LOUIS  
CITY MO, SAINT LOUIS MO AND WARREN MO.  
 
* WHEN...FROM 7 AM CDT THIS MORNING THROUGH LATE TONIGHT.  
 
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,  
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.  
 
* ADDITIONAL DETAILS...  
- SLOW MOVING THUNDERSTORMS WILL BE CAPABLE OF LOCALLY HEAVY  
RAINFALL.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION  
SHOULD FLASH FLOOD WARNINGS BE ISSUED.  
 

 
 

 
 
ILZ095-MOZ018-019-026-027-034-035-041-042-047>050-081800-  
/O.CON.KLSX.FA.A.0005.000000T0000Z-260608T1800Z/  
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
ADAMS IL-KNOX MO-LEWIS MO-SHELBY MO-MARION MO-MONROE MO-RALLS MO-  
BOONE MO-AUDRAIN MO-MONITEAU MO-COLE MO-OSAGE MO-CALLAWAY MO-  
INCLUDING THE CITIES OF JEFFERSON CITY, MEXICO, HANNIBAL, FULTON,  
QUINCY, AND COLUMBIA  
141 AM CDT MON JUN 8 2026  
   
..FLOOD WATCH REMAINS IN EFFECT UNTIL 1 PM CDT THIS AFTERNOON
 
 
* WHAT...FLASH FLOODING CAUSED BY EXCESSIVE RAINFALL CONTINUES TO BE  
POSSIBLE.  
 
* WHERE...PORTIONS OF WEST CENTRAL ILLINOIS, INCLUDING THE FOLLOWING  
AREA, ADAMS IL AND MISSOURI, INCLUDING THE FOLLOWING AREAS, AUDRAIN  
MO, BOONE MO, CALLAWAY MO, COLE MO, KNOX MO, LEWIS MO, MARION MO,  
MONITEAU MO, MONROE MO, OSAGE MO, RALLS MO AND SHELBY MO.  
 
* WHEN...UNTIL 1 PM CDT THIS AFTERNOON.  
 
* IMPACTS...EXCESSIVE RUNOFF MAY RESULT IN FLOODING OF RIVERS,  
CREEKS, STREAMS, AND OTHER LOW-LYING AND FLOOD-PRONE LOCATIONS.  
 
* ADDITIONAL DETAILS...  
- SLOW MOVING THUNDERSTORMS WILL BE CAPABLE OF LOCALLY HEAVY  
RAINFALL.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
YOU SHOULD MONITOR LATER FORECASTS AND BE PREPARED TO TAKE ACTION  
SHOULD FLASH FLOOD WARNINGS BE ISSUED.  
 

 
 

 
 
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