392  
WGUS83 KLOT 111639  
FLSLOT  
 
FLOOD ADVISORY  
NATIONAL WEATHER SERVICE CHICAGO IL  
1139 AM CDT TUE AUG 11 2026  
 
ILC097-111945-  
/O.NEW.KLOT.FA.Y.0103.260811T1639Z-260811T1945Z/  
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/  
LAKE IL-  
1139 AM CDT TUE AUG 11 2026  
   
..FLOOD ADVISORY IN EFFECT UNTIL 245 PM CDT THIS AFTERNOON  
 
* WHAT...FLOODING CAUSED BY EXCESSIVE RAINFALL IS EXPECTED.  
 
* WHERE...LAKE IL COUNTY IN NORTHEASTERN ILLINOIS...  
 
* WHEN...UNTIL 245 PM CDT.  
 
* IMPACTS...FLOODING MAY OCCUR IN POOR DRAINAGE AND URBAN AREAS.  
ROADS AND STREETS MAY BE FLOODED.  
 
* ADDITIONAL DETAILS...  
- AT 1137 AM CDT, DOPPLER RADAR INDICATED RAINFALL RATES OF 1 TO 2  
INCHES PER HOUR OCCURRING ACROSS THE AREA. RAINFALL UP TO 1 INCH  
HAS BEEN ESTIMATED SO FAR NEAR ROUND LAKE BEACH. MINOR FLOODING  
IS ONGOING OR EXPECTED TO BEGIN SHORTLY IN THE ADVISORY AREA.  
- SOME LOCATIONS THAT WILL EXPERIENCE FLOODING INCLUDE...  
WAUKEGAN, NORTH CHICAGO, GURNEE, MUNDELEIN, HIGHLAND PARK, ROUND  
LAKE BEACH, VERNON HILLS, ZION, GRAYSLAKE, LIBERTYVILLE, LAKE  
FOREST, ROUND LAKE, ANTIOCH, WAUCONDA, FOX LAKE, LAKE VILLA AND  
DEERFIELD.  
- HTTP://WWW.WEATHER.GOV/SAFETY/FLOOD  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
A FLOOD ADVISORY MEANS MINOR FLOODING ALONG WATERWAYS AND OTHER POOR  
DRAINAGE AREAS IS IMMINENT OR MAY ALREADY BE OCCURRING. PERSONS IN  
THE ADVISORY AREA SHOULD USE CAUTION AND AVOID FLOOD WATERS.  
 
 
 
LAT...LON 4229 8782 4222 8779 4215 8775 4215 8782  
4229 8820 4247 8820 4246 8803 4246 8779  
4238 8779 4235 8782 4231 8781  
 
 
 
WSL  
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