Dense Fog Advisory issued April 17 at 1:55AM CDT until April 17 at 10:00AM CDT by NWS Chicago IL
Issue date: 2026-04-17T06:55+00:00
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Illinois, Central Cook, Eastern Will, Lake IL, McHenry, Northern Cook, Northern Will, and Southern Cook Counties. In Indiana, Lake IN and Porter Counties. * WHEN...Until 10 AM CDT this morning. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued April 16 at 11:52PM CDT until April 17 at 10:00AM CDT by NWS Chicago IL
Issue date: 2026-04-17T04:52+00:00
* WHAT...Visibility one quarter mile or less in dense fog. * WHERE...In Illinois, Lake IL, McHenry, Northern Cook, and Southern Cook Counties. In Indiana, Lake IN and Porter Counties. * WHEN...Until 10 AM CDT Friday. * IMPACTS...Low visibility could make driving conditions hazardous.
Dense Fog Advisory issued April 16 at 9:41PM CDT until April 17 at 10:00AM CDT by NWS Chicago IL
Issue date: 2026-04-17T02:41+00:00
* WHAT...Visibility one quarter mile or less in dense fog expected. * WHERE...In Illinois, Northern Cook County. In Indiana, Porter County. * WHEN...Until 10 AM CDT Friday. * IMPACTS...Low visibility could make driving conditions hazardous.
