One product issued by NWS for: 9NM NNW Evanston IL
Hazardous Weather Outlook
Hazardous Weather Outlook National Weather Service Chicago/Romeoville IL 230 AM CDT Tue Apr 21 2026 LMZ740>745-220730- 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- 230 AM CDT Tue Apr 21 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. Limited Thunderstorm Risk. Elevated Fog Risk tonight. .DAYS TWO THROUGH SEVEN...Wednesday through Monday. Wednesday... Limited to Elevated Fog Risk. $$ Carlaw Visit us at www.weather.gov/chicago