FLUS43 KLOT 112006 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 306 PM CDT Sat Apr 11 2026 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-122015- 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- 306 PM CDT Sat Apr 11 2026 /406 PM EDT Sat Apr 11 2026/ 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... Showers and perhaps and few embedded thunderstorms are expected this evening, primarily north and west of the I-55 corridor. A few showers and storms may produce downpours. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Sunday... Limited Non-Thunderstorm Wind Risk. Limited Thunderstorm Risk. Monday Night through Wednesday... Limited Thunderstorm Risk at times...with an associated: Level 2 of 5 Severe Thunderstorm Risk. Limited Flooding Risk. DISCUSSION... South to southwest winds will gust to 35 to 40 mph during the late morning and afternoon on Sunday. Warmer temperatures and frequent chances for rain and thunderstorms can be expected next week. Periods of strong to severe thunderstorms may occur mainly Monday night onward. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the northeast at 35 mph. $$ LMZ740>745-122015- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 306 PM CDT Sat Apr 11 2026 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Limited Thunderstorm Risk. .DAYS TWO THROUGH SEVEN...Sunday through Friday. Sunday... Hazardous conditions for small craft are likely. Limited Thunderstorm Risk. Monday... Limited Thunderstorm Risk...with an associated: Level 2 of 5 Severe Thunderstorm Risk. Wednesday... Limited Thunderstorm Risk. $$ Doom Visit us at www.weather.gov/chicago