098  
WGUS83 KLOT 150101  
FLSLOT  
 
FLOOD STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO IL  
801 PM CDT FRI AUG 14 2026  
 
...THE FLOOD WARNING IS EXTENDED FOR THE FOLLOWING RIVERS IN  
ILLINOIS...  
 
THORN CREEK AT THORNTON AFFECTING COOK COUNTY.  
 
FOR THE THORN CREEK...INCLUDING THORNTON...MINOR FLOODING IS  
FORECAST.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
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.  
 
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 SATURDAY AFTERNOON.  
 

 
 
ILC031-151915-  
/O.EXT.KLOT.FL.W.0069.000000T0000Z-260817T1342Z/  
/THNI2.1.ER.260814T1522Z.260816T0600Z.260817T0742Z.NO/  
801 PM CDT FRI AUG 14 2026  
   
..FLOOD WARNING NOW IN EFFECT UNTIL MONDAY MORNING
 
 
* WHAT...MINOR FLOODING IS OCCURRING AND MINOR FLOODING IS FORECAST.  
 
* WHERE...THORN CREEK FROM NEAR GLENWOOD DOWNSTREAM TO CONFLUENCE  
WITH LITTLE CALUMET RIVER, INCLUDING THE THORNTON GAUGE.  
 
* WHEN...UNTIL MONDAY MORNING.  
 
* IMPACTS...AT 13.5 FEET, CHICAGO HEIGHTS GLENWOOD ROAD THREATENED IN  
GLENWOOD. RESIDENTIAL PARKING LOTS THREATENED ALONG MARGARET STREET  
IN THORNTON.  
 
* ADDITIONAL DETAILS...  
- AT 7:45 PM CDT FRIDAY THE STAGE WAS 9.4 FEET.  
- FORECAST...THE RIVER MAY FALL TO NEAR FLOOD STAGE LATE THIS  
EVENING, ALTHOUGH ADDITIONAL RAINFALL IN THE FORECAST MAY PROLONG  
FLOODING IMPACTS, RESULTING IN ANOTHER RISE ON SATURDAY INTO  
SATURDAY EVENING.  
- FLOOD STAGE IS 9.0 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 

 
 
LAT...LON 4161 8760 4158 8754 4151 8760 4154 8767  
 

 
 
CARLAW  
 
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