


Hazardous Weather Outlook
Issued by NWS Chicago, IL
Issued by NWS Chicago, IL
178 FLUS43 KLOT 162005 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL Issued by National Weather Service Milwaukee/Sullivan WI 305 PM CDT Mon Jun 16 2025 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-172015- 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- 305 PM CDT Mon Jun 16 2025 /405 PM EDT Mon Jun 16 2025/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Tonight. Weather hazards expected... Limited Thunderstorm Risk. DISCUSSION... There is a slight chance (less than 25%) of a few isolated to widely scattered thunderstorms this afternoon into this evening, mainly along and southwest of a line from Rockford to Peru to Watseka, Illinois and to Fowler, Indiana. Severe weather is not expected. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Tuesday... Limited Flooding Risk. Elevated Thunderstorm Risk...with an associated: Level 1 of 5 Severe Thunderstorm Risk. Wednesday... Limited Flooding Risk. Elevated Thunderstorm Risk...with an associated: Level 2 of 5 Severe Thunderstorm Risk. Saturday and Sunday... Elevated Excessive Heat Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the southeast at 5 to 10 mph. $$ LMZ740>745-172015- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 305 PM CDT Mon Jun 16 2025 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Limited Thunderstorm Risk. .DAYS TWO THROUGH SEVEN...Tuesday through Sunday. Tuesday... Elevated Thunderstorm Risk...with an associated: Level 1 of 5 Severe Thunderstorm Risk. Wednesday... Elevated Thunderstorm Risk...with an associated: Level 2 of 5 Severe Thunderstorm Risk. Friday... Limited Thunderstorm Risk. $$ MH Visit us at www.weather.gov/chicago