Dense Fog Advisory

Locations Affected

Waukegan, IL ∙ Schaumburg, IL ∙ Hammond, IN ∙ Palatine, IL ∙ Gary, IN ∙ Arlington Heights, IL ∙ Evanston, IL ∙ Skokie, IL ∙ Orland Park, IL ∙ Tinley Park, IL

Full Alert Message

URGENT - WEATHER MESSAGE National Weather Service Chicago IL 941 PM CDT Thu Apr 16 2026 ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT FRIDAY... * WHAT...Visibility one quarter mile or less in dense fog expected. * WHERE...In Illinois, Lake IL and Southern Cook Counties. In Indiana, Lake IN County. * WHEN...Until 10 AM CDT Friday. * IMPACTS...Low visibility could make driving conditions hazardous. PRECAUTIONARY/PREPAREDNESS ACTIONS... If driving, slow down, use your headlights, and leave plenty of distance ahead of you.

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