FLUS43 KLOT 132015
HWOLOT

Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
315 PM CDT Fri Mar 13 2026

ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-142015-
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-
315 PM CDT Fri Mar 13 2026 /415 PM EDT Fri Mar 13 2026/

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

.DAY ONE...Tonight.

Weather hazards expected...

  Elevated Non Thunderstorm Wind Risk.

DISCUSSION...

Very strong, potentially damaging westerly winds will gust to
around 40-50 mph through this evening.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Sunday...
  Limited Thunderstorm Risk...with an associated:
     Level 2 of 5 Severe Thunderstorm Risk.
  Elevated Non Thunderstorm Wind Risk.
Sunday Night and Monday...
  Elevated Non Thunderstorm Wind Risk.
  Elevated Snow and Blowing Snow Risk.
Tuesday Morning...
  Limited Excessive Cold Risk.
Tuesday Night and Wednesday...
  Limited Snow Risk.

DISCUSSION...

A line of severe thunderstorms may move through the area on
Sunday with damaging winds as the primary threat. The threat for
severe weather is greatest near and east of Interstate 55.

Strong non-thunderstorm winds are also likely on Sunday.

Accumulating snow and blowing snow are likely to occur in at
least part of the area Sunday night into Monday and will lead to
travel impacts. The greatest accumulations and travel impacts are
currently most likely to occur west of Interstate 55.

.SPOTTER INFORMATION STATEMENT...

  Spotter activation will not be necessary through tonight.

$$

LMZ740>745-142015-
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-
315 PM CDT Fri Mar 13 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...Tonight.

Weather hazards expected...

  Gale force winds and or very hazardous waves.

.DAYS TWO THROUGH SEVEN...Saturday through Thursday.

Saturday...
  Hazardous conditions for small craft are likely.
Sunday...
  Gale force winds and very hazardous waves are likely.
  Limited Thunderstorm Risk...with an associated:
     Level 2 of 5 Severe Thunderstorm Risk.
  Elevated Freezing Spray Risk late overnight.
Monday...
  Gale force winds and very hazardous waves are likely.
  Significant Freezing Spray Risk.
Tuesday and Wednesday...
  Hazardous conditions for small craft are likely.

$$

Yack

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