440
WGUS83 KLOT 121948
FLSLOT
FLOOD STATEMENT
NATIONAL WEATHER SERVICE CHICAGO IL
248 PM CDT WED AUG 12 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 THURSDAY MORNING.
ILC031-131400-
/O.EXT.KLOT.FL.W.0068.000000T0000Z-260814T0000Z/
/THNI2.1.ER.260811T2331Z.260812T0830Z.260813T1800Z.NO/
248 PM CDT WED AUG 12 2026
..FLOOD WARNING NOW IN EFFECT UNTIL THURSDAY 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 THURSDAY EVENING.
* IMPACTS...AT 11.0 FEET, 187TH STREET THREATENED IN GLENWOOD.
* ADDITIONAL DETAILS...
- AT 2:30 PM CDT WEDNESDAY THE STAGE WAS 9.6 FEET.
- RECENT ACTIVITY...THE MAXIMUM RIVER STAGE IN THE 24 HOURS ENDING
AT 2:30 PM CDT WEDNESDAY WAS 10.6 FEET.
- FORECAST...THE RIVER IS EXPECTED TO RISE TO A CREST AROUND 10
FEET TONIGHT. IT WILL THEN FALL BELOW FLOOD STAGE TOMORROW
AFTERNOON.
- 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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