136 

FLUS43 KLOT 310348

HWOLOT



Hazardous Weather Outlook

National Weather Service Chicago/Romeoville IL

948 PM CST Tue Dec 30 2025



ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-

010-011-019-010400-

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-

948 PM CST Tue Dec 30 2025 /1048 PM EST Tue Dec 30 2025/



This Hazardous Weather Outlook is for portions of north central

Illinois...northeast Illinois and northwest Indiana.



.DAY ONE...Tonight.



Weather hazards expected...



  Limited Snow Risk.



DISCUSSION...



Accumulating snow will end through midnight. Snow-coated and 

slick conditions will persist. 



.DAYS TWO THROUGH SEVEN...Wednesday through Monday.



Wednesday...

  Limited Snow Risk.



DISCUSSION...



Another period of snow is expected Wednesday afternoon with 

accumulations of a coating to locally over an inch expected.



.SPOTTER INFORMATION STATEMENT...



  Spotter activation will not be necessary through tonight.



$$



LMZ740>745-010400-

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-

948 PM CST Tue Dec 30 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...Tonight.



Weather hazards expected...



  Hazardous conditions for small craft east of Burns Harbor.



.DAYS TWO THROUGH SEVEN...Wednesday through Monday.



Wednesday...

  Hazardous conditions for small craft.

  Elevated Freezing Spray Risk Wednesday night.

Thursday...

  Hazardous conditions for small craft are likely Indiana 

  nearshore. 



$$



Carlaw



Visit us at www.weather.gov/chicago