042 
FLUS43 KLOT 100230 AAA
HWOLOT

Hazardous Weather Outlook...UPDATED
National Weather Service Chicago/Romeoville IL
830 PM CST Tue Dec 9 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-110230-
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-
830 PM CST Tue Dec 9 2025 /930 PM EST Tue Dec 9 2025/

This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.

.DAY ONE...Tonight.

  No hazardous weather is expected at this time.

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

Wednesday...
  Limited Snow Risk.
Thursday...
  Elevated Snow Risk.
Saturday...
  Elevated Excessive Cold Risk.
  Elevated Snow Risk.
Sunday...
  Elevated Excessive Cold Risk.
Monday...
 Limited Excessive Cold Risk.

DISCUSSION...

Wind-whipped snow may lead to hazardous travel Wednesday morning.

Accumulating snow is expected Thursday night into early Friday
morning and again Saturday into Saturday night.

Bitterly cold wind chills as low as 25 below zero are possible
Saturday night into Sunday morning.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

LMZ740>745-110230-
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-
830 PM CST Tue Dec 9 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...

  Gale force winds and or very hazardous waves. 

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

Wednesday...
  Gale force winds and very hazardous waves.
Thursday...
  Hazardous conditions for small craft are likely.
Friday Night...
  Hazardous conditions for small craft are likely.
  Elevated Freezing Spray Risk.
Saturday and Sunday...
  Hazardous conditions for small craft are likely.

$$

Ratzer

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