436  
WGUS83 KLOT 020230  
FLSLOT  
 
FLOOD STATEMENT  
NATIONAL WEATHER SERVICE CHICAGO IL  
930 PM CDT SAT AUG 1 2026  
 
...THE FLOOD WARNING IS EXTENDED FOR THE FOLLOWING RIVERS IN  
INDIANA...ILLINOIS...  
 
LITTLE CALUMET RIVER AT MUNSTER (HOHMAN AVENUE) AFFECTING LAKE IN  
AND COOK COUNTIES.  
 
THORN CREEK AT THORNTON AFFECTING COOK COUNTY.  
 
FOR THE LITTLE CALUMET RIVER...INCLUDING MUNSTER (HOHMAN AVENUE)...  
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 SUNDAY AFTERNOON AT 330 PM CDT.  
 

 
 
ILC031-INC089-022030-  
/O.EXT.KLOT.FL.W.0066.000000T0000Z-260802T2100Z/  
/LCMI3.1.ER.260801T2325Z.260802T1200Z.260802T1500Z.NO/  
930 PM CDT SAT AUG 1 2026  
   
..FLOOD WARNING NOW IN EFFECT UNTIL SUNDAY AFTERNOON
 
 
* WHAT...MINOR FLOODING IS FORECAST.  
 
* WHERE...LITTLE CALUMET RIVER FROM IN-912 IN HAMMOND DOWNSTREAM TO  
CONFLUENCE WITH THORN CREEK IN SOUTH HOLLAND, INCLUDING THE MUNSTER  
(HOHMAN AVENUE) GAUGE.  
 
* WHEN...UNTIL SUNDAY AFTERNOON.  
 
* IMPACTS...AT 12.5 FEET, MOST AREAS OUTSIDE OF THE LEVEE-PROTECTED  
AREA ARE INUNDATED IN HAMMOND AND MUNSTER.  
 
* ADDITIONAL DETAILS...  
- AT 9:00 PM CDT SATURDAY, THE STAGE WAS 12.0 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE ABOVE FLOOD STAGE LATE  
THIS EVENING TO A CREST OF 12.3 FEET TOMORROW MORNING. IT WILL  
THEN FALL BELOW FLOOD STAGE LATE TOMORROW MORNING OR DURING THE  
EARLY AFTERNOON.  
- FLOOD STAGE IS 12.0 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 

 
 
LAT...LON 4163 8756 4159 8740 4153 8743 4157 8758  
 

 
 
ILC031-022030-  
/O.EXT.KLOT.FL.W.0065.000000T0000Z-260803T2308Z/  
/THNI2.1.ER.260801T2013Z.260802T1200Z.260803T1708Z.NO/  
930 PM CDT SAT AUG 1 2026  
   
..FLOOD WARNING NOW IN EFFECT UNTIL MONDAY EVENING
 
 
* 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 EVENING.  
 
* IMPACTS...AT 13.5 FEET, CHICAGO HEIGHTS GLENWOOD ROAD THREATENED IN  
GLENWOOD. RESIDENTIAL PARKING LOTS THREATENED ALONG MARGARET STREET  
IN THORNTON.  
 
* ADDITIONAL DETAILS...  
- AT 9:00 PM CDT SATURDAY, THE STAGE WAS 11.1 FEET.  
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST OF 13.6 FEET  
TOMORROW MORNING. IT WILL THEN FALL BELOW FLOOD STAGE MONDAY  
AFTERNOON.  
- FLOOD STAGE IS 9.0 FEET.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 

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

 
 
OGOREK  
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.

The Nexlab IL Page
The Nexlab IN Page Main Text Page