494
WGUS83 KLOT 121533
FLSLOT
FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
1033 AM CDT FRI JUN 12 2026
...THE FLOOD WARNING IS EXTENDED FOR THE FOLLOWING RIVERS IN
ILLINOIS...INDIANA...
LITTLE CALUMET RIVER AT MUNSTER (HOHMAN AVENUE) AFFECTING LAKE IN
AND COOK COUNTIES.
...THE FLOOD WARNING CONTINUES FOR THE FOLLOWING RIVERS IN
ILLINOIS...
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 BY LATE TONIGHT.
ILC031-INC089-130600-
/O.EXT.KLOT.FL.W.0037.000000T0000Z-260613T0600Z/
/LCMI3.1.ER.260612T0930Z.000000T0000Z.260613T0600Z.NO/
1033 AM CDT FRI JUN 12 2026
..FLOOD WARNING NOW IN EFFECT UNTIL JUST AFTER MIDNIGHT TONIGHT
* WHAT...MINOR FLOODING IS OCCURRING AND 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 JUST AFTER MIDNIGHT TONIGHT.
* IMPACTS...AT 12.5 FEET, MOST AREAS OUTSIDE OF THE LEVEE-PROTECTED
AREA ARE INUNDATED IN HAMMOND AND MUNSTER.
* ADDITIONAL DETAILS...
- AT 10:00 AM CDT FRIDAY THE STAGE WAS 12.4 FEET.
- RECENT ACTIVITY...THE RIVER CLIMBED ABOVE FLOOD STAGE
OVERNIGHT AND CONTINUES A SLOW CLIMB.
- FORECAST...THE RIVER IS EXPECTED TO CREST NEAR 12.5 FEET BY
EARLY THIS AFTERNOON AND THEN FALL BELOW FLOOD STAGE
OVERNIGHT INTO TOMORROW.
- FLOOD STAGE IS 12.0 FEET.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4163 8756 4159 8740 4153 8743 4157 8758
ILC031-130600-
/O.CON.KLOT.FL.W.0038.000000T0000Z-260613T0600Z/
/THNI2.1.ER.260612T0957Z.260612T1800Z.260613T0000Z.NO/
1033 AM CDT FRI JUN 12 2026
...FLOOD WARNING REMAINS IN EFFECT UNTIL JUST AFTER MIDNIGHT
TONIGHT...
* WHAT...MINOR FLOODING IS FORECAST.
* WHERE...THORN CREEK FROM NEAR GLENWOOD DOWNSTREAM TO CONFLUENCE
WITH LITTLE CALUMET RIVER, INCLUDING THE THORNTON GAUGE.
* WHEN...UNTIL JUST AFTER MIDNIGHT TONIGHT.
* IMPACTS...AT 9.0 FEET, WATER BEGINS TO BE DIVERTED THROUGH THORN
CREEK DIVERSION TUNNEL.
* ADDITIONAL DETAILS...
- AT 10:00 AM CDT FRIDAY THE STAGE WAS 8.7 FEET.
- RECENT ACTIVITY...THE RIVER CLIMBED ABOVE FLOOD STAGE
OVERNIGHT AND IS FLUCTUATING NEAR FLOOD STAGE.
- FORECAST...THE RIVER IS CURRENTLY CRESTING JUST ABOVE FLOOD
STAGE AND WILL BEGIN TO FALL LATER TODAY.
- FLOOD STAGE IS 9.0 FEET.
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD
LAT...LON 4161 8760 4158 8754 4151 8760 4154 8767
WSL
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