FLUS43 KLOT 211904

HWOLOT



Hazardous Weather Outlook

National Weather Service Chicago/Romeoville IL

204 PM CDT Sat Mar 21 2026



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

010-011-019-221915-

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-

204 PM CDT Sat Mar 21 2026 /304 PM EDT Sat Mar 21 2026/



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...Sunday through Friday.



  No hazardous weather is expected at this time.



.SPOTTER INFORMATION STATEMENT...



  Spotter activation will not be necessary through tonight.



$$



LMZ740>745-221915-

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-

204 PM CDT Sat Mar 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...Tonight.



Weather hazards expected...



  Hazardous conditions for small craft.



.DAYS TWO THROUGH SEVEN...Sunday through Friday.



Sunday and Monday...

  Hazardous conditions for small craft are likely.

Wednesday through Friday...

  Hazardous conditions for small craft are likely.



$$



KJB



Visit us at www.weather.gov/chicago