FLUS43 KLOT 191453 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 953 AM CDT Tue May 19 2026 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-201500- 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- 953 AM CDT Tue May 19 2026 /1053 AM EDT Tue May 19 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 Thunderstorm Risk toward central IL and IN...with an associated: Level 1 of 5 Damaging Wind Risk...up to 60 mph. DISCUSSION... Isolated thunderstorms with gusty winds may develop south of the Kankakee River and east of Interstate 55 mid to late afternoon. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Friday through Monday... Limited Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation is not anticipated through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the east-northeast at 40 to 45 mph. $$ LMZ740>745-201500- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 953 AM CDT Tue May 19 2026 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Today and Tonight. Weather hazards expected... Hazardous conditions for small craft today. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday... Hazardous conditions for small craft are likely. Friday... Hazardous conditions for small craft are likely. Limited Thunderstorm Risk. Monday... Limited Thunderstorm Risk. $$ Kluber Visit us at www.weather.gov/chicago