706  
WGUS63 KLOT 060201  
FFALOT  
 
URGENT - IMMEDIATE BROADCAST REQUESTED  
FLOOD WATCH  
NATIONAL WEATHER SERVICE CHICAGO IL  
901 PM CDT SUN APR 5 2026  
 
...THE NATIONAL WEATHER SERVICE IN CHICAGO IL HAS ISSUED A FLOOD  
WATCH FOR THE FOLLOWING RIVERS IN ILLINOIS...  
 
FOX RIVER AT ALGONQUIN LOCK & DAM TAILWATER AFFECTING MCHENRY,  
LAKE IL AND KANE COUNTIES.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FLOOD WATCH MEANS WATER LEVELS ABOVE FLOOD STAGE ARE POSSIBLE, BUT  
NOT YET CERTAIN, BASED UPON THE LATEST FORECASTS. PERSONS ALONG  
RIVERS AND STREAMS IN THE WATCH AREA SHOULD MONITOR THE LATEST  
FORECASTS AND BE PREPARED TO TAKE ACTION SHOULD FLOODING DEVELOP.  
 
THESE FORECASTS ARE BASED ON OBSERVED PRECIPITATION AS WELL AS  
FORECAST PRECIPITATION 24 HOURS INTO THE FUTURE. CHANGES TO THE  
RAINFALL FORECAST, OR ANY ADDITIONAL RAINFALL AFTER 24 HOURS, MAY  
CAUSE CHANGES TO THESE RIVER FORECASTS.  
 
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV.  
 
THE NEXT STATEMENT WILL BE ISSUED BY MONDAY AFTERNOON.  
 

 
 
ILZ005-006-012-062015-  
/O.NEW.KLOT.FL.A.0008.260408T0000Z-260413T0000Z/  
/AFBI2.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.NO/  
901 PM CDT SUN APR 5 2026  
   
..FLOOD WATCH IN EFFECT FROM TUESDAY EVENING TO SUNDAY, APRIL 12
 
 
* WHAT...FLOODING IS POSSIBLE.  
 
* WHERE...FOX RIVER FROM JOHNSBURG DOWNSTREAM TO RED GATE ROAD IN  
ST. CHARLES, INCLUDING THE ALGONQUIN LOCK & DAM TAILWATER GAUGE.  
 
* WHEN...FROM TUESDAY EVENING TO SUNDAY, APRIL 12.  
 
* IMPACTS...AT 10.0 FEET, WINAKI TRAIL AND ONAWAY TRAIL ARE  
THREATENED SOUTH OF ALGONQUIN. ATHLETIC FIELDS INUNDATED AT JUDSON  
COLLEGE IN ELGIN.  
 
* ADDITIONAL DETAILS...  
- AT 8:30 PM CDT SUNDAY THE STAGE WAS 9.1 FEET.  
- FORECAST...FLOOD STAGE MAY BE REACHED TUESDAY EVENING.  
- FLOOD STAGE IS 9.5 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 

 
 
LAT...LON 4238 8829 4234 8818 4223 8813 4194 8827  
4195 8838 4219 8830  
 

 
 
PETR  
 
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