FLUS43 KLOT 211102
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
502 AM CST Wed Jan 21 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-221115-
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-
502 AM CST Wed Jan 21 2026 /602 AM EST Wed Jan 21 2026/

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

.DAY ONE...Today and Tonight.

Weather hazards expected...

  Limited Snow Risk.
  Limited Non-Thunderstorm Wind Risk.

DISCUSSION...

Gusty scattered snow showers are expected to move across the area
this evening and may result in localized snow accumulations up to
one inch and hazardous travel. Strong westerly winds may gust
over 40 mph this evening which may cause blowing snow and low
visibility in open areas.

Extensive ice cover on area rivers may cause localized ice jam
flooding.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday Night and Friday Morning...
  Significant Excessive Cold Risk.
Saturday...
  Elevated Excessive Cold Risk.
  Limited Snow Risk.
Sunday...
  Limited Excessive Cold Risk.
  Limited Snow Risk.
Monday...
  Limited Excessive Cold Risk.

DISCUSSION...

Dangerously cold conditions are expected Thursday night into
Friday morning with bitterly cold conditions continuing through
the weekend.

Extensive ice cover on area rivers may cause localized ice jam
flooding.

.SPOTTER INFORMATION STATEMENT...

Spotter activation will not be necessary through tonight.

$$

LMZ740>745-221115-
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-
502 AM CST Wed Jan 21 2026

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...

  Gale force winds and very hazardous waves.
  Elevated Freezing Spray Risk.

.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.

Thursday and Friday...
  Hazardous conditions for small craft are likely.
  Significant Freezing Spray Risk.

$$

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