928  
FLUS43 KLOT 230922  
HWOLOT  
 
HAZARDOUS WEATHER OUTLOOK  
NATIONAL WEATHER SERVICE CHICAGO/ROMEOVILLE IL  
422 AM CDT SUN APR 23 2017  
 
ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019-  
241030-  
WINNEBAGO-BOONE-MCHENRY-LAKE ILLINOIS-OGLE-LEE-DE KALB-KANE-  
DUPAGE-COOK-LA SALLE-KENDALL-GRUNDY-WILL-KANKAKEE-LIVINGSTON-  
IROQUOIS-FORD-LAKE INDIANA-PORTER-NEWTON-JASPER-BENTON-  
422 AM CDT SUN APR 23 2017 /522 AM EDT SUN APR 23 2017/  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR NORTH CENTRAL ILLINOIS...  
NORTHEAST ILLINOIS AND NORTHWEST INDIANA.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
WEATHER HAZARDS EXPECTED:  
 
ELEVATED FROST RISK FOR OUTLYING AREAS UNTIL JUST AFTER DAYBREAK.  
 
DISCUSSION:  
 
CLEAR SKIES AND LIGHT WINDS WILL LIKELY LEAD TO SOME AREAS OF FROST  
IN OUTLYING AREAS EARLY THIS MORNING. TEMPERATURES WILL RECOVER  
QUICKLY AFTER DAYBREAK.  
 
IN ADDITION...PORTIONS OF THE FOX RIVER WILL REMAIN NEAR BANKFULL.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY.  
 
TUESDAY AND WEDNESDAY...  
LIMITED THUNDERSTORM RISK.  
FRIDAY AND SATURDAY...  
LIMITED THUNDERSTORM RISK.  
 
IN ADDITION...PORTIONS OF THE FOX RIVER WILL REMAIN NEAR BANKFULL UNTIL  
MONDAY EVENING.  
   
SPOTTER INFORMATION STATEMENT
 
 
SPOTTER ACTIVATION WILL NOT BE NECESSARY THROUGH TONIGHT.  
 

 
 

 
 
LMZ740>745-241030-  
WINTHROP HARBOR TO WILMETTE HARBOR-  
WILMETTE HARBOR TO NORTHERLY ISLAND-  
NORTHERLY ISLAND TO CALUMET HARBOR-CALUMET HARBOR TO GARY-  
GARY TO BURNS HARBOR-BURNS HARBOR TO MICHIGAN CITY-  
422 AM CDT SUN APR 23 2017  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE ILLINOIS NEARSHORE  
WATERS OF LAKE MICHIGAN AND THE INDIANA NEARSHORE WATERS OF LAKE  
MICHIGAN.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY.  
 
WEDNESDAY NIGHT INTO THURSDAY AND AGAIN FRIDAY...  
HAZARDOUS CONDITIONS FOR SMALL CRAFT ARE POSSIBLE.  
 
PERIODIC THUNDERSTORMS ARE POSSIBLE TUESDAY NIGHT INTO WEDNESDAY  
AND AGAIN BEGINNING FRIDAY AND AT TIMES ON THE LATTER HALF OF THE UPCOMING  
WEEKEND.  
 

 
 

 
 
LMZ080-261-362-364-366-563-565-567-669-671-673-675-777-779-868-  
870-872-874-876-878-241030-  
LAKE MICHIGAN FROM MICHIGAN CITY IN TO ST. JOSEPH MI 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM SEUL CHOIX POINT TO ROCK ISLAND PASSAGE 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN SOUTH OF A LINE FROM SEUL CHOIX POINT TO THE  
MACKINAC BRIDGE AND NORTH OF A LINE FROM CHARLEVOIX MI TO SOUTH  
FOX ISLAND 5 NM OFFSHORE-  
LAKE MICHIGAN FROM CHARLEVOIX TO POINT BETSIE MI 5 NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM POINT BETSIE TO MANISTEE MI 5 NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM ROCK ISLAND PASSAGE TO STURGEON BAY WI-  
LAKE MICHIGAN FROM STURGEON BAY TO TWO RIVERS WI 5 NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM TWO RIVERS TO SHEBOYGAN WI 5 NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM SHEBOYGAN TO PORT WASHINGTON WI 5 NM OFFSHORE  
TO MID LAKE-  
LAKE MICHIGAN FROM PORT WASHINGTON TO NORTH POINT LIGHT WI 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM NORTH POINT LIGHT TO WIND POINT WI 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM WIND POINT WI TO WINTHROP HARBOR IL 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM WINTHROP HARBOR TO WILMETTE HARBOR IL 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM WILMETTE HARBOR IL TO MICHIGAN CITY IN 5 NM  
OFFSHORE TO MID LAKE-  
LAKE MICHIGAN FROM PENTWATER TO MANISTEE MI 5 NM OFFSHORE TO MID  
LAKE-  
LAKE MICHIGAN FROM WHITEHALL TO PENTWATER MI 5 NM OFFSHORE TO MID  
LAKE-  
LAKE MICHIGAN FROM GRAND HAVEN TO WHITEHALL MI 5 NM OFFSHORE TO  
MID LAKE-  
LAKE MICHIGAN FROM HOLLAND TO GRAND HAVEN MI 5 NM OFFSHORE TO MID  
LAKE-  
LAKE MICHIGAN FROM SOUTH HAVEN TO HOLLAND MI 5 NM OFFSHORE TO MID  
LAKE-  
LAKE MICHIGAN FROM ST. JOSEPH TO SOUTH HAVEN MI 5 NM OFFSHORE TO  
MID LAKE-  
422 AM CDT SUN APR 23 2017  
 
THIS HAZARDOUS WEATHER OUTLOOK IS FOR THE OPEN WATERS OF LAKE  
MICHIGAN.  
   
DAY ONE
 
TODAY AND TONIGHT.  
 
NO HAZARDOUS WEATHER IS EXPECTED AT THIS TIME.  
   
DAYS TWO THROUGH SEVEN
 
MONDAY THROUGH SATURDAY.  
 
PERIODIC THUNDERSTORMS ARE POSSIBLE LATE TUESDAY NIGHT INTO WEDNESDAY, FRIDAY,  
AND LATE SATURDAY, MAINLY SOUTH HALF.  
 

 
 

 
 
KMD  
 
VISIT US AT HTTP://WEATHER.GOV/CHICAGO  
 
FOLLOW US ON FACEBOOK, TWITTER, AND YOUTUBE AT:  
WWW.FACEBOOK.COM/NWSCHICAGO  
WWW.TWITTER.COM/NWSCHICAGO  
WWW.YOUTUBE.COM/NWSCHICAGO  
 
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