FLUS43 KLOT 011944 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 244 PM CDT Fri May 1 2026 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-021945- 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- 244 PM CDT Fri May 1 2026 /344 PM EDT Fri May 1 2026/ This Hazardous Weather Outlook is for portions of north central Illinois...northeast Illinois and northwest Indiana. .DAY ONE...Tonight. Weather hazards expected... Elevated Frost Risk. DISCUSSION... Widespread frost development is likely tonight away from Lake Michigan, the city of Chicago, and some areas south and southwest of the Chicago metro where clouds don't clear out. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Saturday Night... Limited Frost Risk. Sunday through Tuesday... Limited Thunderstorm Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. $$ LMZ740>745-021945- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 244 PM CDT Fri May 1 2026 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. No hazardous weather is expected at this time. .DAYS TWO THROUGH SEVEN...Saturday through Thursday. Sunday... Hazardous conditions for small craft are likely. Monday... Hazardous conditions for small craft are likely. Limited Thunderstorm Risk. $$ Yack Visit us at www.weather.gov/chicago