966  
WGUS83 KLOT 220147  
FLSLOT  
 
FLOOD STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO IL  
847 PM CDT TUE APR 21 2026  
 
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN  
ILLINOIS...  
 
DES PLAINES RIVER AT LINCOLNSHIRE AFFECTING COOK AND LAKE IL  
COUNTIES.  
 
DES PLAINES RIVER NEAR DES PLAINES AFFECTING COOK COUNTY.  
 
DES PLAINES RIVER NEAR GURNEE AFFECTING LAKE IL COUNTY.  
 
DES PLAINES RIVER NEAR RUSSELL AFFECTING LAKE IL COUNTY.  
 
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 WEDNESDAY AFTERNOON.  
 
 
 
ILC031-097-222000-  
/O.EXT.KLOT.FL.W.0020.000000T0000Z-260424T1800Z/  
/LDRI2.2.ER.260416T0400Z.260420T1615Z.260424T1000Z.NO/  
847 PM CDT TUE APR 21 2026  
   
..FLOOD WARNING NOW IN EFFECT UNTIL EARLY FRIDAY AFTERNOON  
 
* WHAT...MODERATE FLOODING IS OCCURRING AND FORECASTED TO CONTINUE.  
 
* WHERE...DES PLAINES RIVER FROM TOWNLINE ROAD IN LIBERTYVILLE  
DOWNSTREAM TO PALATINE ROAD IN PROSPECT HEIGHTS, INCLUDING THE  
LINCOLNSHIRE GAUGE.  
 
* WHEN...UNTIL EARLY FRIDAY AFTERNOON.  
 
* IMPACTS...AT 15.0 FEET, STRUCTURES THREATENED ALONG IL-22  
(HALF-DAY ROAD) JUST EAST OF THE RIVER. MULTIPLE STRUCTURES  
THREATENED NEAR AND WEST OF US-45 (MILWAUKEE AVENUE) AND DEERFIELD  
ROAD. DEERFIELD ROAD THREATENED NEAR THE RIVER. MULTIPLE TRAILS  
INUNDATED IN HALF-DAY FOREST PRESERVE.  
 
* ADDITIONAL DETAILS...  
- AT 7:45 PM CDT TUESDAY THE STAGE WAS 14.9 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO CONTINUE GRADUALLY  
FALLING THROUGH THE WEEK, AND MAY FALL BELOW FLOOD STAGE BY  
FRIDAY MORNING.  
- FLOOD STAGE IS 12.5 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
 
 
LAT...LON 4224 8797 4224 8788 4212 8784 4212 8794  
 
 
 
ILC031-222000-  
/O.EXT.KLOT.FL.W.0019.000000T0000Z-260425T0600Z/  
/DSPI2.1.ER.260415T1630Z.260421T0300Z.260424T2000Z.NO/  
847 PM CDT TUE APR 21 2026  
   
..FLOOD WARNING NOW IN EFFECT UNTIL EARLY SATURDAY MORNING  
 
* WHAT...MINOR FLOODING IS OCCURRING AND FORECASTED TO CONTINUE.  
 
* WHERE...DES PLAINES RIVER FROM PALATINE ROAD IN PROSPECT HEIGHTS  
DOWNSTREAM TO IRVING PARK ROAD IN CHICAGO, INCLUDING THE DES  
PLAINES GAUGE.  
 
* WHEN...UNTIL EARLY SATURDAY MORNING.  
 
* IMPACTS...AT 18.5 FEET, BIG FLOOD HISTORY...THIS CREST COMPARES TO  
A PREVIOUS CREST OF 17.8 FEET ON 03/12/2021.BEND ROAD THREATENED  
IN DES PLAINES.  
 
* ADDITIONAL DETAILS...  
- AT 7:45 PM CDT TUESDAY THE STAGE WAS 17.8 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO CONTINUE GRADUALLY  
FALLING, AND MAY FALL BELOW FLOOD STAGE BY FRIDAY EVENING.  
- FLOOD STAGE IS 15.0 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
 
 
LAT...LON 4212 8794 4212 8784 4197 8780 4196 8790  
 
 
 
ILC097-222000-  
/O.EXT.KLOT.FL.W.0017.000000T0000Z-260425T1200Z/  
/GUNI2.2.ER.260415T0856Z.260419T1530Z.260425T0600Z.NO/  
847 PM CDT TUE APR 21 2026  
   
..FLOOD WARNING NOW IN EFFECT UNTIL SATURDAY MORNING  
 
* WHAT...MODERATE FLOODING IS OCCURRING AND FORECASTED TO CONTINUE.  
 
* WHERE...DES PLAINES RIVER FROM US-41 IN GURNEE DOWNSTREAM TO  
TOWNLINE ROAD IN VERNON HILLS, INCLUDING THE GURNEE GAUGE.  
 
* WHEN...UNTIL SATURDAY MORNING.  
 
* IMPACTS...AT 10.0 FEET, RESIDENCES THREATENED ALONG KILBOURNE ROAD  
AND NEAR O'PLAINE ROAD AND MCCLURE AVENUE IN GURNEE. BUSINESSES  
THREATENED ALONG OLD GRAND AVENUE NEAR IL-132 IN GURNEE. IL-132  
(GRAND AVENUE) IS THREATENED EAST OF THE RIVER IN GURNEE.  
 
* ADDITIONAL DETAILS...  
- AT 8:30 PM CDT TUESDAY THE STAGE WAS 10.0 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO CONTINUE GRADUALLY  
FALLING, AND MAY FALL BELOW FLOOD STAGE BY SATURDAY MORNING.  
- FLOOD STAGE IS 7.0 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
 
 
LAT...LON 4239 8796 4239 8787 4230 8791 4224 8788  
4224 8797 4230 8800  
 
 
 
ILC097-222000-  
/O.CON.KLOT.FL.W.0018.000000T0000Z-000000T0000Z/  
/RUSI2.2.ER.260415T1155Z.260419T1530Z.260426T0600Z.NO/  
847 PM CDT TUE APR 21 2026  
   
..FLOOD WARNING REMAINS IN EFFECT UNTIL FURTHER NOTICE  
 
* WHAT...MODERATE FLOODING IS OCCURRING AND FORECASTED TO CONTINUE.  
 
* WHERE...DES PLAINES RIVER FROM IL/WI STATE LINE DOWNSTREAM TO  
US-41 IN GURNEE, INCLUDING THE RUSSELL GAUGE.  
 
* WHEN...UNTIL FURTHER NOTICE.  
 
* IMPACTS...AT 8.0 FEET, AGRICULTURAL AND PARK LAND IS INUNDATED  
NEAR THE RIVER. RESIDENTIAL PROPERTY IS THREATENED NEAR THE RIVER.  
 
* ADDITIONAL DETAILS...  
- AT 7:30 PM CDT TUESDAY THE STAGE WAS 8.6 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO CONTINUE GRADUALLY  
FALLING, AND MAY DROP BELOW FLOOD STAGE THIS WEEKEND.  
- FLOOD STAGE IS 7.0 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
 
 
LAT...LON 4251 8797 4250 8787 4247 8789 4239 8787  
4239 8796 4247 8799  
 
 
 
BORCHARDT  
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