558  
WGUS83 KLOT 041429  
FLSLOT  
 
FLOOD STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO IL  
929 AM CDT MON MAY 4 2026  
 
...THE FLOOD WARNING IS EXTENDED FOR THE FOLLOWING RIVERS IN  
ILLINOIS...  
 
FOX RIVER AT ALGONQUIN LOCK & DAM TAILWATER AFFECTING KANE,  
MCHENRY AND LAKE IL COUNTIES.  
 
FOR THE FOX RIVER (ILLINOIS)...INCLUDING ALGONQUIN LOCK & DAM  
TAILWATER...MINOR FLOODING IS FORECAST.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
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.  
 
A FLOOD WARNING MEANS WATER LEVELS ABOVE FLOOD STAGE ARE IMMINENT OR  
MAY ALREADY BE OCCURRING. PERSONS ALONG RIVERS AND STREAMS IN THE  
WARNED AREA SHOULD TAKE IMMEDIATE PRECAUTIONS TO PROTECT LIFE AND  
PROPERTY.  
 
ADDITIONAL INFORMATION IS AVAILABLE AT WWW.WEATHER.GOV.  
 
THE NEXT STATEMENT WILL BE ISSUED BY LATE TONIGHT.  
 

 
 
ILC089-097-111-050830-  
/O.EXT.KLOT.FL.W.0016.000000T0000Z-260506T0000Z/  
/AFBI2.3.ER.260414T1200Z.260423T0700Z.260505T1800Z.NO/  
929 AM CDT MON MAY 4 2026  
   
..FLOOD WARNING NOW IN EFFECT UNTIL TOMORROW EVENING
 
 
* WHAT...MINOR FLOODING IS OCCURRING AND FORECASTED TO OCCUR.  
 
* WHERE...FOX RIVER FROM JOHNSBURG DOWNSTREAM TO RED GATE ROAD IN  
ST. CHARLES, INCLUDING THE ALGONQUIN LOCK & DAM TAILWATER GAUGE.  
 
* WHEN...UNTIL TOMORROW EVENING.  
 
* 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 AM CDT MONDAY THE STAGE WAS 9.8 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO FALL BELOW FLOOD STAGE  
EARLY TOMORROW AFTERNOON AND CONTINUE FALLING TO 7.9 FEET  
MONDAY, MAY 11.  
- FLOOD STAGE IS 9.5 FEET.  
- FLOOD HISTORY...THIS CREST COMPARES TO A PREVIOUS CREST OF  
9.4 FEET ON 07/18/2024.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 

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

 
 
BORCHARDT  
 
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