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| 960 FLUS43 KLOT 240320 HWOLOT Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 1020 PM CDT Thu Apr 23 2026 ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002- 010-011-019-250330- 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- 1020 PM CDT Thu Apr 23 2026 /1120 PM EDT Thu Apr 23 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...with an associated: Level 1 of 5 Damaging Wind Risk west of the Fox Valley... up to 50-60 mph. DISCUSSION... A weakening line of showers and thunderstorms will move across northern Illinois and northwest Indiana late tonight into early Friday. The threat of severe weather is low and limited to the potential for some locally strong winds west of the Fox River Valley. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Friday... Limited Thunderstorm Risk. Monday... Elevated Thunderstorm Risk...with an associated: Level 2 of 5 Severe Thunderstorm Risk. Level 1 of 4 Flooding Risk. .SPOTTER INFORMATION STATEMENT... Spotter activation will not be necessary through tonight. GENERAL STORM MOTION OF THE DAY: Moving toward the east at 40 mph. $$ LMZ740>745-250330- Winthrop Harbor to Wilmette Harbor IL- Wilmette Harbor to Northerly Island IL- Northerly Island to Calumet Harbor IL- Calumet Harbor IL to Gary IN-Gary to Burns Harbor IN- Burns Harbor to Michigan City IN- 1020 PM CDT Thu Apr 23 2026 This Hazardous Weather Outlook is for portions of the Illinois nearshore waters of Lake Michigan and the Indiana nearshore waters of Lake Michigan. .DAY ONE...Tonight. Weather hazards expected... Limited Thunderstorm Risk. .DAYS TWO THROUGH SEVEN...Friday through Wednesday. Friday... Limited Thunderstorm Risk. Sunday through Tuesday... Hazardous conditions for small craft are likely. Monday... Elevated Thunderstorm Risk...with an associated: Level 2 of 5 Severe Thunderstorm Risk. $$ Ogorek Visit us at www.weather.gov/chicago |
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