941  
FLUS43 KLOT 071529  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
1029 AM CDT SAT JUN 7 2025  
 
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-  
010-011-019-081530-  
WINNEBAGO-BOONE-MCHENRY-LAKE IL-OGLE-LEE-DE KALB-KANE-DUPAGE-  
LA SALLE-KENDALL-GRUNDY-KANKAKEE-LIVINGSTON-IROQUOIS-FORD-  
NORTHERN COOK-CENTRAL COOK-SOUTHERN COOK-NORTHERN WILL-  
SOUTHERN WILL-EASTERN WILL-LAKE IN-PORTER-NEWTON-JASPER-BENTON-  
1029 AM CDT SAT JUN 7 2025 /1129 AM EDT SAT JUN 7 2025/  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF NORTH CENTRAL  
ILLINOIS...NORTHEAST ILLINOIS AND NORTHWEST INDIANA.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
WEATHER HAZARDS EXPECTED...  
 
ELEVATED FLOODING RISK.  
LIMITED THUNDERSTORM RISK.  
 
DISCUSSION...  
 
SLOW-MOVING AND HEAVY-RAIN PRODUCING SHOWERS MAY PRODUCE ISOLATED  
INSTANCES OF FLOODING THIS EVENING MAINLY ALONG AND SOUTH OF  
INTERSTATE 88. A THUNDERSTORM CANNOT BE RULED OUT, AS WELL.  
WIDESPREAD FLOODING, OR ANY SEVERE WEATHER, IS NOT EXPECTED TODAY.  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY THROUGH FRIDAY.  
 
SUNDAY...  
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.  
MONDAY...  
LIMITED THUNDERSTORM RISK.  
FRIDAY...  
LIMITED THUNDERSTORM RISK.  
 
DISCUSSION...  
 
A COLD FRONT WILL BRING ANOTHER CHANCE FOR SHOWERS AND  
THUNDERSTORMS SUNDAY AFTERNOON THROUGH THE EVENING. A FEW STORMS  
SUNDAY AFTERNOON MAY BE STRONG TO SEVERE WITH DAMAGING WINDS AS  
THE MAIN THREAT.  
 
ADDITIONAL SHOWER AND THUNDERSTORM CHANCES ARE EXPECTED FOR  
MONDAY AND TOWARDS THE END OF THE WEEK.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 
GENERAL STORM MOTION OF THE DAY:  
 
GENERALLY MOVING TOWARD THE EAST AT 10 MPH, BUT MAY BE VARIABLE  
AT TIMES.  
 

 
 
LMZ740>745-081530-  
WINTHROP HARBOR TO WILMETTE HARBOR IL-  
WILMETTE HARBOR TO NORTHERLY ISLAND IL-  
NORTHERLY ISLAND TO CALUMET HARBOR IL-  
CALUMET HARBOR IL TO GARY IN-GARY TO BURNS HARBOR IN-  
BURNS HARBOR TO MICHIGAN CITY IN-  
1029 AM CDT SAT JUN 7 2025  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR PORTIONS OF THE ILLINOIS  
NEARSHORE WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE  
WATERS OF LAKE MICHIGAN.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
WEATHER HAZARDS EXPECTED...  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN
 
SUNDAY THROUGH FRIDAY.  
 
SUNDAY...  
LIMITED THUNDERSTORM RISK...WITH AN ASSOCIATED:  
LEVEL 1 OF 5 SEVERE THUNDERSTORM RISK.  
MONDAY AND FRIDAY...  
LIMITED THUNDERSTORM RISK.  
 

 
 
BORCHARDT  
 
VISIT US AT WWW.WEATHER.GOV/CHICAGO  
 
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