Hazardous Weather Outlook
Issued by NWS Chicago, IL

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FLUS43 KLOT 012028
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
228 PM CST Mon Dec 1 2025

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-022030-
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-
228 PM CST Mon Dec 1 2025 /328 PM EST Mon Dec 1 2025/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Elevated Snow Risk.

DISCUSSION...

Accumulating snow is likely tonight, especially this evening.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Wednesday...
  Limited Snow Risk.
Late Wednesday Night through Early Friday Morning...
  Limited Excessive Cold Risk.
Saturday...
  Limited Snow Risk.

DISCUSSION...

Snow showers on Wednesday may cause some accumulation and travel
impacts.

Bitterly cold wind chills as low as 10 to 20 below zero are
forecast Thursday morning and late Thursday night into early
Friday morning.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

LMZ740>745-022030-
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-
228 PM CST Mon Dec 1 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.

  No hazardous weather is expected at this time.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday.

Tuesday Night through Sunday...
  Hazardous conditions for small craft are likely at times.

$$

Castro

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